Until now, he realized, he had never seriously questioned the circumstances of his hiring.
1	Until	until	ADP	_	_	2	case	_	_
2	now	now	ADV	_	_	5	advmod	_	SpaceAfter=No
3	,	,	PUNCT	Comma	_	2	punct	_	_
4	he	he	PRON	PERS-P3SG-NOM	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
5	realized	realize	VERB	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	SpaceAfter=No
6	,	,	PUNCT	Comma	_	11	punct	_	_
7	he	he	PRON	PERS-P3SG-NOM	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	11	nsubj	_	_
8	had	have	AUX	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	11	aux	_	_
9	never	never	ADV	NEG	_	11	advmod	_	_
10	seriously	serious	ADV	_	_	11	advmod	_	_
11	questioned	question	VERB	PERF	Tense=Past|VerbForm=Part	5	ccomp	_	_
12	the	the	DET	DEF	Definite=Def|PronType=Art	13	det	_	_
13	circumstances	circumstance	NOUN	PL-NOM	Number=Plur	11	obj	_	_
14	of	of	ADP	_	_	16	mark	_	_
15	his	he	PRON	P3SG-GEN	Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	16	nmod:poss	_	_
16	hiring	hire	VERB	ING	Tense=Pres|VerbForm=Part	13	acl	_	SpaceAfter=No
17	.	.	PUNCT	Period	_	5	punct	_	_
