id	sid	eid	entity	type
bece-252	1	1	bece	ORG
bece-252	2	1	vol.6	NORP
bece-252	2	2	no.1	ORG
bece-252	2	3	789	CARDINAL
bece-252	3	1	liu	PERSON
bece-252	3	2	j., zhao	PERSON
bece-252	3	3	l.m.	GPE
bece-252	3	4	du	PERSON
bece-252	3	5	x.f.	GPE
bece-252	3	6	xu	PERSON
bece-252	3	7	g.x.	GPE
bece-252	3	8	liu	PERSON
bece-252	3	9	j. email	PERSON
bece-252	3	10	zhao	PERSON
bece-252	3	11	l.	PERSON
bece-252	3	12	545997501@qq.com	CARDINAL
bece-252	4	1	journal of	ORG
bece-252	4	2	east china normal university	ORG
bece-252	4	3	china	GPE
bece-252	5	1		CARDINAL
bece-252	5	2	more than nine hours	TIME
bece-252	7	1	between eight to nine hours	CARDINAL
bece-252	8	1	at least eight hours	TIME
bece-252	9	1		CARDINAL
bece-252	9	2	more than eight hours	TIME
bece-252	9	3	no.1	ORG
bece-252	9	4	790	CARDINAL
bece-252	11	1	above eight hours	TIME
bece-252	14	1	journal of east china normal university (educational sciences	ORG
bece-252	14	2	2020	DATE
bece-252	14	3	38(3):71-79	CARDINAL