It is heartbreaking to try to bring a horse back and then have to put it down, but some horses are worth the risk.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	expl	3:expl	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	3:cop	_
3	heartbreaking	heartbreaking	ADJ	JJ	Degree=Pos	0	root	0:root	_
4	to	to	PART	TO	_	5	mark	5:mark	_
5	try	try	VERB	VB	VerbForm=Inf	3	csubj	3:csubj	_
6	to	to	PART	TO	_	7	mark	7:mark	_
7	bring	bring	VERB	VB	VerbForm=Inf	5	xcomp	5:xcomp	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	9:det	_
9	horse	horse	NOUN	NN	Number=Sing	7	obj	7:obj	_
10	back	back	ADP	RP	_	7	compound:prt	7:compound:prt	_
11	and	and	CCONJ	CC	_	13	cc	13:cc	_
12	then	then	ADV	RB	PronType=Dem	13	advmod	13:advmod	_
13	have	have	VERB	VBP	VerbForm=Inf	5	conj	3:csubj|5:conj:and	_
14	to	to	PART	TO	_	15	mark	15:mark	_
15	put	put	VERB	VB	VerbForm=Inf	13	xcomp	13:xcomp	_
16	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	15	obj	15:obj	_
17	down	down	ADP	RP	_	15	compound:prt	15:compound:prt	SpaceAfter=No
18	,	,	PUNCT	,	_	23	punct	23:punct	_
19	but	but	CCONJ	CC	_	23	cc	23:cc	_
20	some	some	DET	DT	_	21	det	21:det	_
21	horses	horse	NOUN	NNS	Number=Plur	23	nsubj	23:nsubj	_
22	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	23	cop	23:cop	_
23	worth	worth	ADJ	JJ	Degree=Pos	3	conj	3:conj:but	_
24	the	the	DET	DT	Definite=Def|PronType=Art	25	det	25:det	_
25	risk	risk	NOUN	NN	Number=Sing	23	obj	23:obj	SpaceAfter=No
26	.	.	PUNCT	.	_	3	punct	3:punct	_
