They had once been white, he remembered, but now they had turned a curious shade of yellow.
1	They	they	PRON	PERS-PL-NOM	Case=Nom|Number=Plur|Person=3|PronType=Prs	5	nsubj	_	_
2	had	have	AUX	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	5	aux	_	_
3	once	once	ADV	_	NumType=Mult	5	advmod	_	_
4	been	be	AUX	PERF	Tense=Past|VerbForm=Part	5	cop	_	_
5	white	white	ADJ	POS	Degree=Pos	8	xcomp	_	SpaceAfter=No
6	,	,	PUNCT	Comma	_	5	punct	_	_
7	he	he	PRON	PERS-P3SG-NOM	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	8	nsubj	_	_
8	remembered	remember	VERB	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	SpaceAfter=No
9	,	,	PUNCT	Comma	_	14	punct	_	_
10	but	but	CCONJ	_	_	14	cc	_	_
11	now	now	ADV	_	_	14	advmod	_	_
12	they	they	PRON	PERS-PL-NOM	Case=Nom|Number=Plur|Person=3|PronType=Prs	14	nsubj	_	_
13	had	have	AUX	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	14	aux	_	_
14	turned	turn	VERB	PERF	Mood=Ind|Tense=Past|VerbForm=Fin	8	conj	_	_
15	a	a	DET	IND-SG	Definite=Ind|PronType=Art	17	det	_	_
16	curious	curious	ADJ	POS	Degree=Pos	17	amod	_	_
17	shade	shade	NOUN	SG-NOM	Number=Sing	14	xcomp	_	_
18	of	of	ADP	_	_	19	case	_	_
19	yellow	yellow	ADJ	POS	Degree=Pos	17	amod	_	SpaceAfter=No
20	.	.	PUNCT	Period	_	8	punct	_	_
