Iraq, however, remains a possible source of the Ames.
1	Iraq	Iraq	PROPN	NNP	Number=Sing	5	nsubj	5:nsubj|8:nsubj:xsubj	SpaceAfter=No
2	,	,	PUNCT	,	_	5	punct	5:punct	_
3	however	however	ADV	RB	_	5	advmod	5:advmod	SpaceAfter=No
4	,	,	PUNCT	,	_	5	punct	5:punct	_
5	remains	remain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	8:det	_
7	possible	possible	ADJ	JJ	Degree=Pos	8	amod	8:amod	_
8	source	source	NOUN	NN	Number=Sing	5	xcomp	5:xcomp	_
9	of	of	ADP	IN	_	11	case	11:case	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	11:det	_
11	Ames	Ames	PROPN	NNP	Number=Sing	8	nmod	8:nmod:of	SpaceAfter=No
12	.	.	PUNCT	.	_	8	punct	8:punct	_
