True, there are about 300,000 wolves and wolf hybrids kept as pets in the United States.
1	True	true	ADJ	JJ	Degree=Pos	0	root	0:root	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	1:punct	_
3	there	there	PRON	EX	_	4	expl	4:expl	_
4	are	be	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	1	parataxis	1:parataxis	_
5	about	about	ADV	RB	_	6	advmod	6:advmod	_
6	300,000	300000	NUM	CD	NumForm=Digit|NumType=Card	7	nummod	7:nummod	_
7	wolves	wolf	NOUN	NNS	Number=Plur	4	nsubj	4:nsubj	_
8	and	and	CCONJ	CC	_	10	cc	10:cc	_
9	wolf	wolf	NOUN	NN	Number=Sing	10	compound	10:compound	_
10	hybrids	hybrid	NOUN	NNS	Number=Plur	7	conj	4:nsubj|7:conj:and	_
11	kept	keep	VERB	VBN	Tense=Past|VerbForm=Part	7	acl	7:acl	_
12	as	as	ADP	IN	_	13	case	13:case	_
13	pets	pet	NOUN	NNS	Number=Plur	11	obl	11:obl:as	_
14	in	in	ADP	IN	_	17	case	17:case	_
15	the	the	DET	DT	Definite=Def|PronType=Art	17	det	17:det	_
16	United	United	ADJ	NNP	Degree=Pos	17	amod	17:amod	_
17	States	State	PROPN	NNPS	Number=Plur	4	obl	4:obl:in	SpaceAfter=No
18	.	.	PUNCT	.	_	1	punct	1:punct	_
