Yes it's ok.
1	Yes	yes	INTJ	UH	_	4	discourse	4:discourse	_
2-3	it's	_	_	_	_	_	_	_	_
2	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	4:nsubj	_
3	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	4:cop	_
4	ok	ok	ADJ	JJ	Degree=Pos	0	root	0:root	SpaceAfter=No
5	.	.	PUNCT	.	_	4	punct	4:punct	_
