While skydiving, it is possible (yet extremely unlikely) that both your primary and reserve parachutes will malfunction, leaving you with no method of reducing your velocity.
1	While	while	SCONJ	IN	_	2	mark	2:mark	Discourse=context-circumstance:2->3:3
2	skydiving	skydiving	NOUN	NN	Number=Sing	6	advcl	6:advcl:while	Entity=(3-event-new-cf4-1-sgl)|SpaceAfter=No
3	,	,	PUNCT	,	_	2	punct	2:punct	_
4	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	6	expl	6:expl	Discourse=context-background:3->9:1
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	6:cop	_
6	possible	possible	ADJ	JJ	Degree=Pos	0	root	0:root	_
7	(	(	PUNCT	-LRB-	_	10	punct	10:punct	Discourse=adversative-concession:4->3:0|SpaceAfter=No
8	yet	yet	CCONJ	CC	_	10	cc	10:cc	_
9	extremely	extremely	ADV	RB	Degree=Pos	10	advmod	10:advmod	_
10	unlikely	unlikely	ADJ	JJ	Degree=Pos|Polarity=Neg	6	conj	6:conj:yet	SpaceAfter=No
11	)	)	PUNCT	-RRB-	_	10	punct	10:punct	_
12	that	that	SCONJ	IN	_	20	mark	20:mark	Discourse=same-unit_m:5->3:1
13	both	both	CCONJ	CC	_	15	cc:preconj	15:cc:preconj	Entity=(4-object-new-cf2-3,6-coref
14	your	your	PRON	PRP$	Case=Gen|Number=Sing|Person=2|Poss=Yes|PronType=Prs	15	nmod:poss	15:nmod:poss	Entity=(5-person-acc:com-cf1-1-ana)
15	primary	primary	ADJ	JJ	Degree=Pos	20	nsubj	20:nsubj	_
16	and	and	CCONJ	CC	_	18	cc	18:cc	_
17	reserve	reserve	NOUN	NN	Number=Sing	18	compound	18:compound	_
18	parachutes	parachute	NOUN	NNS	Number=Plur	15	conj	15:conj:and|20:nsubj	Entity=4)
19	will	will	AUX	MD	VerbForm=Fin	20	aux	20:aux	_
20	malfunction	malfunction	VERB	VB	VerbForm=Inf	6	csubj	6:csubj|10:csubj	SpaceAfter=No
21	,	,	PUNCT	,	_	22	punct	22:punct	_
22	leaving	leave	VERB	VBG	VerbForm=Ger	20	advcl	20:advcl	Discourse=causal-result:6->3:2
23	you	you	PRON	PRP	Case=Acc|Number=Sing|Person=2|PronType=Prs	22	obj	22:obj	Entity=(5-person-giv:act-cf1-1-ana)
24	with	with	ADP	IN	_	26	case	26:case	_
25	no	no	DET	DT	Polarity=Neg|PronType=Art	26	det	26:det	Entity=(6-abstract-new-cf5-2-sgl
26	method	method	NOUN	NN	Number=Sing	22	obl	22:obl:with	_
27	of	of	SCONJ	IN	_	28	mark	28:mark	Discourse=purpose-attribute:7->6:0
28	reducing	reduce	VERB	VBG	VerbForm=Ger	26	acl	26:acl:of	_
29	your	your	PRON	PRP$	Case=Gen|Number=Sing|Person=2|Poss=Yes|PronType=Prs	30	nmod:poss	30:nmod:poss	Entity=(7-abstract-new-cf3-2-coref(5-person-giv:act-cf1-1-ana)
30	velocity	velocity	NOUN	NN	Number=Sing	28	obj	28:obj	Entity=7)6)|SpaceAfter=No
31	.	.	PUNCT	.	_	6	punct	6:punct	_
