If the key exists, Access checks for the existence of a value name that matches the name of the referenced file.
1	If	if	SCONJ	_	_	4	mark	_	_
2	the	the	DET	DEF	Definite=Def|PronType=Art	3	det	_	_
3	key	key	NOUN	SG-NOM	Number=Sing	4	nsubj	_	_
4	exists	exist	VERB	PRES	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	advcl	_	SpaceAfter=No
5	,	,	PUNCT	Comma	_	4	punct	_	_
6	Access	Access	PROPN	SG-NOM	Case=Nom	7	nsubj	_	_
7	checks	check	VERB	PRES	Case=Nom	0	root	_	_
8	for	for	ADP	_	_	10	case	_	_
9	the	the	DET	DEF	Definite=Def|PronType=Art	10	det	_	_
10	existence	existence	NOUN	SG-NOM	Number=Sing	7	obl	_	_
11	of	of	ADP	_	_	14	case	_	_
12	a	a	DET	IND-SG	Definite=Ind|PronType=Art	14	det	_	_
13	value	value	NOUN	SG-NOM	Number=Sing	14	compound	_	_
14	name	name	NOUN	SG-NOM	Number=Sing	10	nmod	_	_
15	that	that	PRON	REL	PronType=Rel	16	nsubj	_	_
16	matches	match	VERB	PRES	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	acl:relcl	_	_
17	the	the	DET	DEF	Definite=Def|PronType=Art	18	det	_	_
18	name	name	NOUN	SG-NOM	Number=Sing	16	obj	_	_
19	of	of	ADP	_	_	22	case	_	_
20	the	the	DET	DEF	Definite=Def|PronType=Art	22	det	_	_
21	referenced	reference	ADJ	PASS	Case=Nom	22	amod	_	_
22	file	file	NOUN	SG-NOM	Number=Sing	18	nmod	_	SpaceAfter=No
23	.	.	PUNCT	Period	_	7	punct	_	_
