vas-y, oui.
1	vas	aller	VERB	_	Mood=Imp|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	0	root	_	SpaceAfter=No
2	-y	y	PRON	_	Person=3|PronType=Prs	1	iobj	_	SpaceAfter=No
3	,	,	PUNCT	_	_	4	punct	_	_
4	oui	oui	ADV	_	_	1	discourse	_	ExtPos=INTJ|SpaceAfter=No
5	.	.	PUNCT	_	_	1	punct	_	_
