He's the issue, you are trying to "Make" them mate.
1-2	He's	_	_	_	_	_	_	_	_
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	4	nsubj	4:nsubj	_
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	4:cop	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	4:det	_
4	issue	issue	NOUN	NN	Number=Sing	0	root	0:root	SpaceAfter=No
5	,	,	PUNCT	,	_	4	punct	4:punct	_
6	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	8	nsubj	8:nsubj|11:nsubj:xsubj	_
7	are	be	AUX	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	8	aux	8:aux	_
8	trying	try	VERB	VBG	VerbForm=Ger	4	parataxis	4:parataxis	_
9	to	to	PART	TO	_	11	mark	11:mark	_
10	"	"	PUNCT	``	_	11	punct	11:punct	SpaceAfter=No
11	Make	make	VERB	VB	VerbForm=Inf	8	xcomp	8:xcomp	SpaceAfter=No
12	"	"	PUNCT	''	_	11	punct	11:punct	_
13	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	11	obj	11:obj|14:nsubj:xsubj	_
14	mate	mate	VERB	VB	VerbForm=Inf	11	xcomp	11:xcomp	SpaceAfter=No
15	.	.	PUNCT	.	_	4	punct	4:punct	_
