By "sample return" of course I mean a mission that brings back extraterrestrial material.
1	By	by	ADP	IN	_	4	case	4:case	Discourse=context-background:36->34:1
2	"	''	PUNCT	``	_	4	punct	4:punct	Entity=(39-event-giv:inact-cf1-3-coref|SpaceAfter=No|XML=<q>
3	sample	sample	NOUN	NN	Number=Sing	4	compound	4:compound	_
4	return	return	NOUN	NN	Number=Sing	9	obl	9:obl:by	SpaceAfter=No
5	"	''	PUNCT	''	_	4	punct	4:punct	Entity=39)|XML=</q>
6	of	of	ADV	IN	_	9	advmod	9:advmod	_
7	course	course	NOUN	NN	Number=Sing	6	fixed	6:fixed	_
8	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	9	nsubj	9:nsubj	Entity=(4-person-giv:inact-cf2-1-ana)
9	mean	mean	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	0:root	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	11:det	Entity=(39-event-giv:act-cf1-2-coref
11	mission	mission	NOUN	NN	Number=Sing	9	obj	9:obj|13:nsubj	_
12	that	that	PRON	WDT	PronType=Rel	13	nsubj	11:ref	Discourse=elaboration-attribute:37->36:0
13	brings	bring	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	acl:relcl	11:acl:relcl	_
14	back	back	ADV	RB	Degree=Pos	13	advmod	13:advmod	_
15	extraterrestrial	extraterrestrial	ADJ	JJ	Degree=Pos	16	amod	16:amod	Entity=(43-substance-new-cf3-2-sgl
16	material	material	NOUN	NN	Number=Sing	13	obj	13:obj	Entity=43)39)|SpaceAfter=No
17	.	.	PUNCT	.	_	9	punct	9:punct	_
