BooleanPolygonConstraint Operator (Listing 2):
1	BooleanPolygonConstraint	BooleanPolygonConstraint	PROPN	NNP	Number=Sing	2	compound	2:compound	Bridge=78<115|Discourse=organization-preparation:82->84:3|Entity=(115-abstract-acc:inf-cf1-1,2-coref|XML=<hi rend:::"bold">
2	Operator	Operator	PROPN	NNP	Number=Sing	0	root	0:root	Entity=115)
3	(	(	PUNCT	-LRB-	_	4	punct	4:punct	Discourse=restatement-partial:83->82:0|SpaceAfter=No
4	Listing	Listing	PROPN	NNP	Number=Sing	2	appos	2:appos	Entity=(116-abstract-new-cf2-1-coref
5	2	2	NUM	CD	NumForm=Digit|NumType=Card	4	dep	4:dep	Entity=116)|SpaceAfter=No|XML=<ref></ref>
6	)	)	PUNCT	-RRB-	_	4	punct	4:punct	SpaceAfter=No
7	:	:	PUNCT	:	_	2	punct	2:punct	XML=</hi>
