But they remain uncertain about whether China aims to beat the United States to the moon in its secretive space effort.
1	But	but	CCONJ	CC	_	4	cc	4:cc	_
2	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	3:nsubj|4:nsubj:xsubj	_
3	remain	remain	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
4	uncertain	uncertain	ADJ	JJ	Degree=Pos	3	xcomp	3:xcomp	_
5	about	about	SCONJ	IN	_	8	mark	8:mark	_
6	whether	whether	SCONJ	IN	_	8	mark	8:mark	_
7	China	China	PROPN	NNP	Number=Sing	8	nsubj	8:nsubj|10:nsubj:xsubj	_
8	aims	aim	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	advcl	4:advcl:about	_
9	to	to	PART	TO	_	10	mark	10:mark	_
10	beat	beat	VERB	VB	VerbForm=Inf	8	xcomp	8:xcomp	_
11	the	the	DET	DT	Definite=Def|PronType=Art	13	det	13:det	_
12	United	United	ADJ	NNP	Degree=Pos	13	amod	13:amod	_
13	States	State	PROPN	NNPS	Number=Plur	10	obj	10:obj	_
14	to	to	ADP	IN	_	16	case	16:case	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	16:det	_
16	moon	moon	NOUN	NN	Number=Sing	10	obl	10:obl:to	_
17	in	in	ADP	IN	_	21	case	21:case	_
18	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	21	nmod:poss	21:nmod:poss	_
19	secretive	secretive	ADJ	JJ	Degree=Pos	21	amod	21:amod	_
20	space	space	NOUN	NN	Number=Sing	21	compound	21:compound	_
21	effort	effort	NOUN	NN	Number=Sing	10	obl	10:obl:in	SpaceAfter=No
22	.	.	PUNCT	.	_	4	punct	4:punct	_
