April 24 2018 2:40:10 HelenZhao LOGGED_IN 1524552009705 1 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/11.1 Safari/605.1.15 April 24 2018 2:41:10 HelenZhao SOUND_DONE 1524552070378 1 2J April 24 2018 2:41:15 HelenZhao ANSWER_SUBMITTED 1524552074896 1 2J 2J 2j true 0