id	sid	eid	entity	type
bece-259	1	1	bece	ORG
bece-259	2	1	vol.6	NORP
bece-259	2	2	no.1	ORG
bece-259	2	3	800	CARDINAL
bece-259	2	4	zhang, s.	ORG
bece-259	2	5	mao	PERSON
bece-259	2	6	y.q.	GPE
bece-259	2	7	mao	PERSON
bece-259	2	8	y.q.	GPE
bece-259	3	1	beijing	GPE
bece-259	3	2	mao	PERSON
bece-259	3	3	9	CARDINAL
bece-259	5	1	5	CARDINAL
bece-259	6	1	six	CARDINAL
bece-259	7	1	three	CARDINAL
bece-259	8	1		CARDINAL
bece-259	9	1		CARDINAL
bece-259	10	1		CARDINAL
bece-259	12	1	2020	DATE
bece-259	12	2	49(6):113-128	ORG
bece-259	13	1	t	CARDINAL