id	sid	eid	entity	type
crl-12951	1	1	college & research	ORG
crl-12951	1	2	college & research	ORG
crl-12951	1	3	four	CARDINAL
crl-12951	2	1	three	CARDINAL
crl-12951	2	2	1976	DATE
crl-12951	2	3	the professional association	ORG
crl-12951	4	1	alex ladenson	PERSON
crl-12951	4	2	virginia	GPE
crl-12951	6	1	ladenson	PERSON