It is not tied to talent or ability, but is simply a tendency to not give up until something is finished or accomplished.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj:pass	4:nsubj:pass	Discourse=adversative-antithesis:42->43:1|Entity=(8-abstract-giv:act-cf1*-1-ana)
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	4:aux:pass	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	4:advmod	_
4	tied	tie	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
5	to	to	ADP	IN	_	6	case	6:case	_
6	talent	talent	NOUN	NN	Number=Sing	4	obl	4:obl:to	Entity=(45-abstract-new-cf3-1-coref)
7	or	or	CCONJ	CC	_	8	cc	8:cc	_
8	ability	ability	NOUN	NN	Number=Sing	6	conj	4:obl:to|6:conj:or	Entity=(46-abstract-new-cf4-1-sgl)|SpaceAfter=No
9	,	,	PUNCT	,	_	14	punct	14:punct	_
10	but	but	CCONJ	CC	_	14	cc	14:cc	Discourse=restatement-repetition_m:43->39:1
11	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	cop	14:cop	_
12	simply	simply	ADV	RB	Degree=Pos	14	advmod	14:advmod	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	14:det	Entity=(8-abstract-giv:act-cf1*-2-coref
14	tendency	tendency	NOUN	NN	Number=Sing	4	conj	4:conj:but	_
15	to	to	PART	TO	_	17	mark	17:mark	Discourse=elaboration-additional:44->43:0
16	not	not	PART	RB	Polarity=Neg	17	advmod	17:advmod	_
17	give	give	VERB	VB	VerbForm=Inf	14	acl	14:acl:to	_
18	up	up	ADP	RP	_	17	compound:prt	17:compound:prt	_
19	until	until	SCONJ	IN	_	22	mark	22:mark	Discourse=context-circumstance:45->44:0
20	something	something	NOUN	NN	Number=Sing	22	nsubj:pass	22:nsubj:pass|24:nsubj:pass	Entity=(47-abstract-new-cf2-1-sgl)
21	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	22	aux:pass	22:aux:pass|24:aux:pass	_
22	finished	finish	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	17	advcl	17:advcl:until	_
23	or	or	CCONJ	CC	_	24	cc	24:cc	_
24	accomplished	accomplish	VERB	VBN	Tense=Past|VerbForm=Part	22	conj	17:advcl:until|22:conj:or	SpaceAfter=No
25	.	.	PUNCT	.	_	4	punct	4:punct	Entity=8)
