Mark boxes.
1	Mark	mark	VERB	VB	Mood=Imp|Person=2|VerbForm=Fin	0	root	0:root	Discourse=joint-other_m:33->7:2
2	boxes	box	NOUN	NNS	Number=Plur	1	obj	1:obj	Entity=(26-object-giv:inact-cf1-1-coref)|SpaceAfter=No
3	.	.	PUNCT	.	_	1	punct	1:punct	_
