session_id,group,start_time 0,deaf,2018-11-22 13:35:39 1,deaf,2018-11-22 13:37:27 2,deaf,2018-11-22 13:42:36 3,deaf,2018-11-22 13:43:57 4,deaf,2018-11-22 13:44:39 5,deaf,2018-11-22 13:45:12 6,deaf,2018-11-22 13:46:17 7,deaf,2018-11-22 13:46:55 8,deaf,2018-11-22 13:47:36 9,deaf,2018-11-22 13:49:35 10,deaf,2018-11-22 13:50:14 11,deaf,2018-11-22 13:56:27 12,deaf,2018-11-22 13:59:20 13,deaf,2018-11-22 14:01:33 14,deaf,2018-11-22 14:04:11 15,deaf,2018-11-22 14:05:51 16,deaf,2018-11-22 14:08:23 17,deaf,2018-11-22 14:11:30 18,deaf,2018-11-22 14:12:28 19,deaf,2018-11-22 14:15:22 20,deaf,2018-11-22 14:16:18 21,deaf,2018-11-22 14:18:21 22,deaf,2018-11-22 14:21:24 23,deaf,2018-11-22 14:22:41 24,deaf,2018-11-22 14:25:27 25,deaf,2018-11-22 14:27:42 26,deaf,2018-11-22 14:29:27 27,deaf,2018-11-22 14:30:33 28,deaf,2018-11-22 14:31:01 29,deaf,2018-11-22 14:32:35 30,deaf,2018-11-22 14:33:24 31,deaf,2018-11-22 14:34:22 32,deaf,2018-11-22 14:37:36 33,deaf,2018-11-22 14:42:50 34,deaf,2018-11-22 14:43:57 35,deaf,2018-11-22 14:45:11 36,deaf,2018-11-22 14:47:07 37,deaf,2018-11-22 14:47:36 38,deaf,2018-11-22 14:48:59 39,deaf,2018-11-22 14:51:24 40,deaf,2018-11-22 14:55:23 41,deaf,2018-11-22 14:59:12 42,deaf,2018-11-22 15:00:05 43,deaf,2018-11-22 15:00:41 44,deaf,2018-11-22 15:03:25 45,deaf,2018-11-22 15:06:43 46,deaf,2018-11-22 15:07:25 47,deaf,2018-11-22 15:09:17 48,deaf,2018-11-22 15:17:50 49,deaf,2018-11-22 15:18:34 50,deaf,2018-11-22 15:20:32 51,deaf,2018-11-27 13:43:38 52,deaf,2018-11-27 13:50:25 53,deaf,2018-11-27 13:51:46 54,deaf,2018-11-27 13:54:22 55,deaf,2018-11-27 13:56:06 56,deaf,2018-11-27 14:00:30 57,deaf,2018-11-27 14:03:24 58,deaf,2018-11-27 14:04:22 59,deaf,2018-11-27 14:05:02 60,deaf,2018-11-27 14:05:32 61,deaf,2018-11-27 14:06:41 62,deaf,2018-11-27 14:08:49 63,deaf,2018-11-27 14:12:19 64,deaf,2018-11-27 14:13:04 65,deaf,2018-11-27 14:16:01 66,deaf,2018-11-27 14:16:55 67,deaf,2018-11-27 14:18:48 68,deaf,2018-11-27 14:19:33 69,deaf,2018-11-27 14:20:43 70,deaf,2018-11-27 14:22:47 71,deaf,2018-11-27 14:23:16 72,deaf,2018-11-27 14:23:43 73,deaf,2018-11-27 14:30:02 74,deaf,2018-11-27 14:32:18 75,deaf,2018-11-27 14:35:09 76,deaf,2018-11-27 14:35:49 77,deaf,2018-11-27 14:36:23 78,deaf,2018-11-27 14:37:14 79,deaf,2018-11-27 14:39:55 80,deaf,2018-11-27 14:44:24 81,deaf,2018-11-27 14:45:16 82,deaf,2018-11-27 14:51:59 83,deaf,2018-11-27 14:52:57 84,deaf,2018-11-27 14:54:24 85,deaf,2018-11-27 14:56:27 86,deaf,2018-11-27 14:57:35 87,deaf,2018-11-27 14:58:57 88,deaf,2018-11-27 15:13:55 89,deaf,2018-11-27 15:14:54 90,deaf,2018-11-27 15:15:24 91,deaf,2018-11-27 15:16:30 92,deaf,2018-11-27 15:18:21 93,deaf,2018-11-27 15:19:15 94,deaf,2018-11-27 15:20:26 95,deaf,2018-11-27 15:21:20 96,deaf,2018-11-27 15:24:15 97,deaf,2018-11-27 15:26:32 98,deaf,2018-11-27 15:27:35 99,deaf,2018-11-27 15:29:50 100,deaf,2018-11-27 15:32:36 101,deaf,2018-11-27 15:34:01 102,deaf,2018-11-27 15:34:56 103,deaf,2018-11-28 13:44:31 104,deaf,2018-11-28 13:48:21 105,deaf,2018-11-28 13:59:17 106,deaf,2018-11-28 14:01:08 107,deaf,2018-11-28 14:10:06 108,deaf,2018-11-28 14:11:39 109,deaf,2018-11-28 14:15:19 110,deaf,2018-11-28 14:28:00 111,deaf,2018-11-28 14:32:01 112,deaf,2018-11-28 14:37:03 113,deaf,2018-11-28 14:56:11 114,deaf,2018-11-28 14:57:15 115,deaf,2018-11-28 14:59:03 116,deaf,2018-11-28 15:00:25 117,deaf,2018-11-28 15:09:11 118,deaf,2018-11-29 12:51:33 119,deaf,2018-11-29 12:52:02 120,deaf,2018-11-29 12:55:16 121,deaf,2018-11-29 12:56:38 122,deaf,2018-11-29 12:57:43 123,deaf,2018-11-29 13:00:08 124,deaf,2018-11-29 13:01:30 125,deaf,2018-11-29 13:03:25 126,deaf,2018-11-29 13:04:33 127,deaf,2018-11-29 13:14:33 128,deaf,2018-11-29 13:22:07 129,deaf,2018-11-29 13:22:55 130,deaf,2018-11-29 13:23:31 131,deaf,2018-11-29 13:24:00 132,deaf,2018-11-29 13:24:33 133,deaf,2018-11-29 13:25:22 134,deaf,2018-11-29 13:27:36 135,deaf,2018-11-29 13:28:44 136,deaf,2018-11-29 13:35:29 137,deaf,2018-11-29 13:36:27 138,deaf,2018-11-29 13:37:58 139,deaf,2018-11-29 13:40:02 140,deaf,2018-11-29 13:41:29 141,deaf,2018-11-29 13:50:35 142,deaf,2018-11-29 14:10:29 143,deaf,2018-11-29 14:13:06 144,deaf,2018-11-29 14:23:44 145,deaf,2018-11-29 14:28:26 146,deaf,2018-11-29 14:43:11 147,deaf,2018-11-30 10:27:25 148,deaf,2018-11-30 10:28:34 149,deaf,2018-11-30 10:31:01 150,deaf,2018-11-30 10:34:33 151,deaf,2018-11-30 10:36:44 152,deaf,2018-11-30 10:37:18 153,deaf,2018-11-30 10:38:57 154,deaf,2018-11-30 10:40:39 155,deaf,2018-11-30 10:41:35 156,deaf,2018-11-30 10:42:55 157,deaf,2018-11-30 10:44:19 158,deaf,2018-11-30 10:45:53 159,deaf,2018-11-30 10:47:10 160,deaf,2018-11-30 10:49:24 161,deaf,2018-11-30 10:52:42 162,deaf,2018-11-30 10:54:21 163,deaf,2018-11-30 10:54:56 164,deaf,2018-11-30 10:56:27 165,deaf,2018-11-30 10:57:28 166,deaf,2018-11-30 10:58:05 167,deaf,2018-11-30 10:59:02 168,deaf,2018-11-30 11:04:03 169,deaf,2018-11-30 11:04:29 170,deaf,2018-11-30 11:09:16 171,deaf,2018-11-30 11:12:49 172,deaf,2018-11-30 11:16:20 173,deaf,2018-11-30 11:19:00 174,deaf,2018-11-30 11:19:36 175,deaf,2018-11-30 11:23:05 176,deaf,2018-11-30 11:26:23 177,deaf,2018-11-30 11:27:42 178,deaf,2018-11-30 11:28:38 179,deaf,2018-11-30 11:29:47 180,deaf,2018-11-30 11:30:33 181,deaf,2018-11-30 11:34:39 182,deaf,2018-11-30 11:35:27 183,deaf,2018-11-30 11:37:12 184,deaf,2018-11-30 11:40:42 185,deaf,2018-11-30 11:42:54 186,deaf,2018-11-30 11:47:34 187,deaf,2018-11-30 11:50:52 188,deaf,2018-11-30 11:52:13 189,deaf,2018-11-30 11:52:57 190,deaf,2018-11-30 11:55:00 191,deaf,2018-11-30 11:58:52 192,deaf,2018-11-30 12:00:51 193,deaf,2018-11-30 12:03:10 194,deaf,2018-11-30 12:04:07 195,deaf,2018-11-30 12:05:21 196,deaf,2018-11-30 12:07:11 197,deaf,2018-11-30 12:10:56 198,deaf,2018-11-30 12:12:08 199,deaf,2018-11-30 12:16:38 200,deaf,2018-11-30 12:21:27 201,deaf,2018-11-30 12:27:09 202,hearing,2019-01-09 10:18:25 203,hearing,2019-01-11 09:33:58 204,hearing,2019-01-11 09:37:00 205,hearing,2019-01-21 09:36:24 206,hearing,2019-01-21 10:00:12 207,hearing,2019-01-21 10:58:52 208,hearing,2019-01-21 11:05:51 209,hearing,2019-01-23 09:42:37 210,hearing,2019-01-23 10:26:29 211,hearing,2019-01-24 09:12:27 212,hearing,2019-01-24 09:14:19 213,hearing,2019-01-24 09:22:37 214,hearing,2019-01-24 09:25:26 215,hearing,2019-01-24 09:26:20 216,hearing,2019-01-24 09:57:26 217,hearing,2019-01-24 10:44:06