February 13 2017 1:53:30	gao4	LOGGED_IN	1486968811081	1	Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/602.4.8 (KHTML, like Gecko) Version/10.0.3 Safari/602.4.8	
February 13 2017 1:53:38	gao4	SOUND_DONE	1486968818849	1	386	
February 13 2017 1:53:42	gao4	ANSWER_SUBMITTED	1486968823147	1	386	678	false	1	
February 13 2017 1:53:49	gao4	SOUND_DONE	1486968829623	2	612	
February 13 2017 1:53:52	gao4	ANSWER_SUBMITTED	1486968833341	2	612	678	false	2