One felt this to be his unalterable conviction.
1	One	one	PRON	IND-SG-NUM	_	2	nsubj	_	_
2	felt	feel	VERB	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	_
3	this	this	PRON	DEM-SG	Number=Sing|PronType=Dem	2	obj	_	_
4	to	to	PART	_	_	8	mark	_	_
5	be	be	AUX	INF-AUX	VerbForm=Inf	8	cop	_	_
6	his	he	PRON	P3SG-GEN	Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
7	unalterable	unalterable	ADJ	POS	Degree=Pos	8	amod	_	_
8	conviction	conviction	NOUN	SG-NOM	Number=Sing	2	xcomp	_	SpaceAfter=No
9	.	.	PUNCT	Period	_	2	punct	_	_
