Should China decide to retaliate against the US to defend its oil and natural gas deal with Iran, the US would be faced with a significant threat.
1	Should	should	AUX	MD	VerbForm=Fin	3	aux	3:aux	_
2	China	China	PROPN	NNP	Number=Sing	3	nsubj	3:nsubj|5:nsubj:xsubj	_
3	decide	decide	VERB	VB	VerbForm=Inf	24	advcl	24:advcl	_
4	to	to	PART	TO	_	5	mark	5:mark	_
5	retaliate	retaliate	VERB	VB	VerbForm=Inf	3	xcomp	3:xcomp	_
6	against	against	ADP	IN	_	8	case	8:case	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	8:det	_
8	US	US	PROPN	NNP	Number=Sing	5	obl	5:obl:against	_
9	to	to	PART	TO	_	10	mark	10:mark	_
10	defend	defend	VERB	VB	VerbForm=Inf	5	advcl	5:advcl:to	_
11	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	16	nmod:poss	16:nmod:poss	_
12	oil	oil	NOUN	NN	Number=Sing	16	compound	16:compound	_
13	and	and	CCONJ	CC	_	15	cc	15:cc	_
14	natural	natural	ADJ	JJ	Degree=Pos	15	amod	15:amod	_
15	gas	gas	NOUN	NN	Number=Sing	12	conj	12:conj:and|16:compound	_
16	deal	deal	NOUN	NN	Number=Sing	10	obj	10:obj	_
17	with	with	ADP	IN	_	18	case	18:case	_
18	Iran	Iran	PROPN	NNP	Number=Sing	16	nmod	16:nmod:with	SpaceAfter=No
19	,	,	PUNCT	,	_	24	punct	24:punct	_
20	the	the	DET	DT	Definite=Def|PronType=Art	21	det	21:det	_
21	US	US	PROPN	NNP	Number=Sing	24	nsubj:pass	24:nsubj:pass	_
22	would	would	AUX	MD	VerbForm=Fin	24	aux	24:aux	_
23	be	be	AUX	VB	VerbForm=Inf	24	aux:pass	24:aux:pass	_
24	faced	face	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
25	with	with	ADP	IN	_	28	case	28:case	_
26	a	a	DET	DT	Definite=Ind|PronType=Art	28	det	28:det	_
27	significant	significant	ADJ	JJ	Degree=Pos	28	amod	28:amod	_
28	threat	threat	NOUN	NN	Number=Sing	24	obl	24:obl:with	SpaceAfter=No
29	.	.	PUNCT	.	_	24	punct	24:punct	_
