Each of these has been proven to mean the difference between success and failure.
1	Each	each	DET	DT	PronType=Tot	6	nsubj:pass	6:nsubj:pass|8:nsubj:xsubj	Discourse=evaluation-comment:24->22:1|Entity=(24-abstract-new-cf2-1-ana
2	of	of	ADP	IN	_	3	case	3:case	_
3	these	this	PRON	DT	Number=Plur|PronType=Dem	1	nmod	1:nmod:of	Entity=(23-abstract-giv:act-cf1*-1-ana)24)
4	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux	6:aux	_
5	been	be	AUX	VBN	Tense=Past|VerbForm=Part	6	aux:pass	6:aux:pass	_
6	proven	prove	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
7	to	to	PART	TO	_	8	mark	8:mark	_
8	mean	mean	VERB	VB	VerbForm=Inf	6	xcomp	6:xcomp	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	10:det	Entity=(25-abstract-new-cf3-2-sgl
10	difference	difference	NOUN	NN	Number=Sing	8	obj	8:obj	_
11	between	between	ADP	IN	_	12	case	12:case	_
12	success	success	NOUN	NN	Number=Sing	10	nmod	10:nmod:between	Entity=(26-event-new-cf4-1-sgl)
13	and	and	CCONJ	CC	_	14	cc	14:cc	_
14	failure	failure	NOUN	NN	Number=Sing	12	conj	10:nmod:between|12:conj:and	Entity=(27-event-new-cf5-1-sgl)25)|SpaceAfter=No
15	.	.	PUNCT	.	_	6	punct	6:punct	_
