"When dandelions have set the mark of May on Wisconsin pastures, it is time to listen for the final proof of spring," wrote Aldo Leopold in "A Sand County Almanac."
1	"	"	PUNCT	``	_	27	punct	27:punct	SpaceAfter=No
2	When	when	ADV	WRB	PronType=Int	5	advmod	5:advmod	_
3	dandelions	dandelion	NOUN	NNS	Number=Plur	5	nsubj	5:nsubj	_
4	have	have	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	aux	5:aux	_
5	set	set	VERB	VBN	Tense=Past|VerbForm=Part	16	advcl	16:advcl:when	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	7:det	_
7	mark	mark	NOUN	NN	Number=Sing	5	obj	5:obj	_
8	of	of	ADP	IN	_	9	case	9:case	_
9	May	May	PROPN	NNP	Number=Sing	7	nmod	7:nmod:of	_
10	on	on	ADP	IN	_	12	case	12:case	_
11	Wisconsin	Wisconsin	PROPN	NNP	Number=Sing	12	compound	12:compound	_
12	pastures	pasture	NOUN	NNS	Number=Plur	5	obl	5:obl:on	SpaceAfter=No
13	,	,	PUNCT	,	_	16	punct	16:punct	_
14	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	16	nsubj	16:nsubj	_
15	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	cop	16:cop	_
16	time	time	NOUN	NN	Number=Sing	27	ccomp	27:ccomp	_
17	to	to	PART	TO	_	18	mark	18:mark	_
18	listen	listen	VERB	VB	VerbForm=Inf	16	acl	16:acl:to	_
19	for	for	ADP	IN	_	22	case	22:case	_
20	the	the	DET	DT	Definite=Def|PronType=Art	22	det	22:det	_
21	final	final	ADJ	JJ	Degree=Pos	22	amod	22:amod	_
22	proof	proof	NOUN	NN	Number=Sing	18	obl	18:obl:for	_
23	of	of	ADP	IN	_	24	case	24:case	_
24	spring	spring	NOUN	NN	Number=Sing	22	nmod	22:nmod:of	SpaceAfter=No
25	,	,	PUNCT	,	_	27	punct	27:punct	SpaceAfter=No
26	"	"	PUNCT	''	_	27	punct	27:punct	_
27	wrote	write	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
28	Aldo	Aldo	PROPN	NNP	Number=Sing	27	nsubj	27:nsubj	_
29	Leopold	Leopold	PROPN	NNP	Number=Sing	28	flat	28:flat	_
30	in	in	ADP	IN	_	35	case	35:case	_
31	"	"	PUNCT	``	_	35	punct	35:punct	SpaceAfter=No
32	A	a	DET	DT	Definite=Ind|PronType=Art	35	det	35:det	_
33	Sand	Sand	PROPN	NNP	Number=Sing	35	compound	35:compound	_
34	County	County	PROPN	NNP	Number=Sing	35	compound	35:compound	_
35	Almanac	Almanac	PROPN	NNP	Number=Sing	27	obl	27:obl:in	SpaceAfter=No
36	.	.	PUNCT	.	_	27	punct	27:punct	SpaceAfter=No
37	"	"	PUNCT	''	_	27	punct	27:punct	_
