As far as George Bush knew, he and his unit could have been transferred to Vietnam.
1	As	as	ADV	RB	_	2	advmod	2:advmod	_
2	far	far	ADV	RB	Degree=Pos	15	advmod	15:advmod	_
3	as	as	SCONJ	IN	_	6	mark	6:mark	_
4	George	George	PROPN	NNP	Number=Sing	6	nsubj	6:nsubj	_
5	Bush	Bush	PROPN	NNP	Number=Sing	4	flat	4:flat	_
6	knew	know	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	2	advcl	2:advcl:as	SpaceAfter=No
7	,	,	PUNCT	,	_	15	punct	15:punct	_
8	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	15	nsubj:pass	15:nsubj:pass	_
9	and	and	CCONJ	CC	_	11	cc	11:cc	_
10	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	11	nmod:poss	11:nmod:poss	_
11	unit	unit	NOUN	NN	Number=Sing	8	conj	8:conj:and|15:nsubj:pass	_
12	could	could	AUX	MD	VerbForm=Fin	15	aux	15:aux	_
13	have	have	AUX	VB	VerbForm=Inf	15	aux	15:aux	_
14	been	be	AUX	VBN	Tense=Past|VerbForm=Part	15	aux:pass	15:aux:pass	_
15	transferred	transfer	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
16	to	to	ADP	IN	_	17	case	17:case	_
17	Vietnam	Vietnam	PROPN	NNP	Number=Sing	15	obl	15:obl:to	SpaceAfter=No
18	.	.	PUNCT	.	_	15	punct	15:punct	_
