And if a tree was not a tree, he wondered what it really was.
1	And	and	CCONJ	_	_	8	mark	_	_
2	if	if	SCONJ	_	_	8	mark	_	_
3	a	a	DET	IND-SG	Definite=Ind|PronType=Art	4	det	_	_
4	tree	tree	NOUN	SG-NOM	Number=Sing	8	nsubj	_	_
5	was	be	AUX	PAST	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	8	cop	_	_
6	not	not	PART	NEG	_	8	advmod	_	_
7	a	a	DET	IND-SG	Definite=Ind|PronType=Art	8	det	_	_
8	tree	tree	NOUN	SG-NOM	Number=Sing	11	advcl	_	SpaceAfter=No
9	,	,	PUNCT	Comma	_	8	punct	_	_
10	he	he	PRON	PERS-P3SG-NOM	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	11	nsubj	_	_
11	wondered	wonder	VERB	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	_
12	what	what	PRON	WH	PronType=Int	11	ccomp	_	_
13	it	it	PRON	PERS-SG	_	12	nsubj	_	_
14	really	really	ADV	_	_	12	advmod	_	_
15	was	be	AUX	PAST	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	12	cop	_	SpaceAfter=No
16	.	.	PUNCT	Period	_	11	punct	_	_
