Four whole months, after which he took advantage of a little-known, little-invoked regulation that allowed him to desert his "band of brothers".
1	Four	four	NUM	CD	NumForm=Word|NumType=Card	3	nummod	3:nummod	_
2	whole	whole	ADJ	JJ	Degree=Pos	3	amod	3:amod	_
3	months	month	NOUN	NNS	Number=Plur	0	root	0:root|8:obl	SpaceAfter=No
4	,	,	PUNCT	,	_	3	punct	3:punct	_
5	after	after	ADP	IN	_	6	case	6:case	_
6	which	which	PRON	WDT	PronType=Rel	8	obl	3:ref	_
7	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	8	nsubj	8:nsubj	_
8	took	take	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	acl:relcl	3:acl:relcl	_
9	advantage	advantage	NOUN	NN	Number=Sing	8	obj	8:obj	_
10	of	of	ADP	IN	_	19	case	19:case	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	19	det	19:det	_
12	little	little	ADV	RB	Degree=Pos	14	advmod	14:advmod	SpaceAfter=No
13	-	-	PUNCT	HYPH	_	14	punct	14:punct	SpaceAfter=No
14	known	know	VERB	VBN	Tense=Past|VerbForm=Part	19	amod	19:amod	SpaceAfter=No
15	,	,	PUNCT	,	_	19	punct	19:punct	_
16	little	little	ADV	RB	Degree=Pos	18	advmod	18:advmod	SpaceAfter=No
17	-	-	PUNCT	HYPH	_	18	punct	18:punct	SpaceAfter=No
18	invoked	invoke	VERB	VBN	Tense=Past|VerbForm=Part	19	amod	19:amod	_
19	regulation	regulation	NOUN	NN	Number=Sing	8	obl	8:obl:of|21:nsubj	_
20	that	that	PRON	WDT	PronType=Rel	21	nsubj	19:ref	_
21	allowed	allow	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	19	acl:relcl	19:acl:relcl	_
22	him	he	PRON	PRP	Case=Acc|Gender=Masc|Number=Sing|Person=3|PronType=Prs	21	obj	21:obj|24:nsubj:xsubj	_
23	to	to	PART	TO	_	24	mark	24:mark	_
24	desert	desert	VERB	VB	VerbForm=Inf	21	xcomp	21:xcomp	_
25	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	27	nmod:poss	27:nmod:poss	_
26	"	"	PUNCT	``	_	27	punct	27:punct	SpaceAfter=No
27	band	band	NOUN	NN	Number=Sing	24	obj	24:obj	_
28	of	of	ADP	IN	_	29	case	29:case	_
29	brothers	brother	NOUN	NNS	Number=Plur	27	nmod	27:nmod:of	SpaceAfter=No
30	"	"	PUNCT	''	_	3	punct	3:punct	SpaceAfter=No
31	.	.	PUNCT	.	_	3	punct	3:punct	_
