It is a question of appropriateness and of review.
1	It	it	PRON	PERS-SG	_	4	nsubj	_	_
2	is	be	AUX	PRES	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	a	a	DET	IND-SG	Definite=Ind|PronType=Art	4	det	_	_
4	question	question	NOUN	SG-NOM	Number=Sing	0	root	_	_
5	of	of	ADP	_	_	6	case	_	_
6	appropriateness	appropriateness	NOUN	SG-NOM	Number=Sing	4	nmod	_	_
7	and	and	CCONJ	_	_	9	cc	_	_
8	of	of	ADP	_	_	9	case	_	_
9	review	review	NOUN	SG-NOM	Number=Sing	6	conj	_	SpaceAfter=No
10	.	.	PUNCT	Period	_	4	punct	_	_
