"The impact of global warming on fish stocks and fisheries is hard to judge," the IPN report said.
1	"	"	PUNCT	``	_	21	punct	21:punct	SpaceAfter=No
2	The	the	DET	DT	Definite=Def|PronType=Art	3	det	3:det	_
3	impact	impact	NOUN	NN	Number=Sing	13	nsubj	13:nsubj	_
4	of	of	ADP	IN	_	6	case	6:case	_
5	global	global	ADJ	JJ	Degree=Pos	6	amod	6:amod	_
6	warming	warming	NOUN	NN	Number=Sing	3	nmod	3:nmod:of	_
7	on	on	ADP	IN	_	9	case	9:case	_
8	fish	fish	NOUN	NN	Number=Sing	9	compound	9:compound	_
9	stocks	stock	NOUN	NNS	Number=Plur	3	nmod	3:nmod:on	_
10	and	and	CCONJ	CC	_	11	cc	11:cc	_
11	fisheries	fishery	NOUN	NNS	Number=Plur	9	conj	3:nmod:on|9:conj:and	_
12	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	cop	13:cop	_
13	hard	hard	ADJ	JJ	Degree=Pos	21	ccomp	21:ccomp	_
14	to	to	PART	TO	_	15	mark	15:mark	_
15	judge	judge	VERB	VB	VerbForm=Inf	13	ccomp	13:ccomp	SpaceAfter=No
16	,	,	PUNCT	,	_	21	punct	21:punct	SpaceAfter=No
17	"	"	PUNCT	''	_	21	punct	21:punct	_
18	the	the	DET	DT	Definite=Def|PronType=Art	20	det	20:det	_
19	IPN	IPN	PROPN	NNP	Number=Sing	20	compound	20:compound	_
20	report	report	NOUN	NN	Number=Sing	21	nsubj	21:nsubj	_
21	said	say	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	SpaceAfter=No
22	.	.	PUNCT	.	_	21	punct	21:punct	_
