Yes, we had to wait, but ER is a triage system that takes the most life threatening cases first.
1	Yes	yes	INTJ	UH	_	4	discourse	4:discourse	SpaceAfter=No
2	,	,	PUNCT	,	_	4	punct	4:punct	_
3	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	4	nsubj	4:nsubj|6:nsubj:xsubj	_
4	had	have	VERB	VBD	Mood=Ind|Number=Plur|Person=1|Tense=Past|VerbForm=Fin	0	root	0:root	_
5	to	to	PART	TO	_	6	mark	6:mark	_
6	wait	wait	VERB	VB	VerbForm=Inf	4	xcomp	4:xcomp	SpaceAfter=No
7	,	,	PUNCT	,	_	13	punct	13:punct	_
8	but	but	CCONJ	CC	_	13	cc	13:cc	_
9	ER	er	NOUN	NN	Number=Sing	13	nsubj	13:nsubj	_
10	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	cop	13:cop	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	13:det	_
12	triage	triage	NOUN	NN	Number=Sing	13	compound	13:compound	_
13	system	system	NOUN	NN	Number=Sing	4	conj	4:conj:but|15:nsubj	_
14	that	that	PRON	WDT	PronType=Rel	15	nsubj	13:ref	_
15	takes	take	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	acl:relcl	13:acl:relcl	_
16	the	the	DET	DT	Definite=Def|PronType=Art	20	det	20:det	_
17	most	most	ADV	RBS	Degree=Sup	19	advmod	19:advmod	_
18	life	life	NOUN	NN	Number=Sing	19	compound	19:compound	_
19	threatening	threaten	VERB	VBG	VerbForm=Ger	20	amod	20:amod	_
20	cases	case	NOUN	NNS	Number=Plur	15	obj	15:obj	_
21	first	first	ADV	RB	NumType=Ord	15	advmod	15:advmod	SpaceAfter=No
22	.	.	PUNCT	.	_	4	punct	4:punct	_
