The ARVN was not having a big problem with the Local VC (the guerilla movement), they were being challenged by the Main Force VC (which was light infantry) and the North Vietnamese Army (NVA).
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	2:det	_
2	ARVN	ARVN	PROPN	NNP	Number=Sing	5	nsubj	5:nsubj	_
3	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	5	aux	5:aux	_
4	not	not	PART	RB	_	5	advmod	5:advmod	_
5	having	have	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	0:root	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	8:det	_
7	big	big	ADJ	JJ	Degree=Pos	8	amod	8:amod	_
8	problem	problem	NOUN	NN	Number=Sing	5	obj	5:obj	_
9	with	with	ADP	IN	_	12	case	12:case	_
10	the	the	DET	DT	Definite=Def|PronType=Art	12	det	12:det	_
11	Local	local	ADJ	JJ	Degree=Pos	12	amod	12:amod	_
12	VC	VC	PROPN	NNP	Number=Sing	8	nmod	8:nmod:with	_
13	(	(	PUNCT	-LRB-	_	16	punct	16:punct	SpaceAfter=No
14	the	the	DET	DT	Definite=Def|PronType=Art	16	det	16:det	_
15	guerilla	guerilla	NOUN	NN	Number=Sing	16	compound	16:compound	_
16	movement	movement	NOUN	NN	Number=Sing	12	appos	12:appos	SpaceAfter=No
17	)	)	PUNCT	-RRB-	_	16	punct	16:punct	SpaceAfter=No
18	,	,	PUNCT	,	_	5	punct	5:punct	_
19	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	22	nsubj:pass	22:nsubj:pass	_
20	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	22	aux	22:aux	_
21	being	be	AUX	VBG	VerbForm=Ger	22	aux:pass	22:aux:pass	_
22	challenged	challenge	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	parataxis	5:parataxis	_
23	by	by	ADP	IN	_	27	case	27:case	_
24	the	the	DET	DT	Definite=Def|PronType=Art	27	det	27:det	_
25	Main	main	ADJ	JJ	Degree=Pos	26	amod	26:amod	_
26	Force	force	NOUN	NN	Number=Sing	27	compound	27:compound	_
27	VC	VC	PROPN	NNP	Number=Sing	22	obl	22:obl:by|32:nsubj	_
28	(	(	PUNCT	-LRB-	_	32	punct	32:punct	SpaceAfter=No
29	which	which	PRON	WDT	PronType=Rel	32	nsubj	27:ref	_
30	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	32	cop	32:cop	_
31	light	light	ADJ	JJ	Degree=Pos	32	amod	32:amod	_
32	infantry	infantry	NOUN	NN	Number=Sing	27	acl:relcl	27:acl:relcl	SpaceAfter=No
33	)	)	PUNCT	-RRB-	_	32	punct	32:punct	_
34	and	and	CCONJ	CC	_	38	cc	38:cc	_
35	the	the	DET	DT	Definite=Def|PronType=Art	38	det	38:det	_
36	North	North	ADJ	NNP	Degree=Pos	37	amod	37:amod	_
37	Vietnamese	Vietnamese	ADJ	NNP	Degree=Pos	38	amod	38:amod	_
38	Army	Army	PROPN	NNP	Number=Sing	27	conj	22:obl:by|27:conj:and|32:nsubj	_
39	(	(	PUNCT	-LRB-	_	40	punct	40:punct	SpaceAfter=No
40	NVA	NVA	PROPN	NNP	Number=Sing	38	appos	38:appos	SpaceAfter=No
41	)	)	PUNCT	-RRB-	_	40	punct	40:punct	SpaceAfter=No
42	.	.	PUNCT	.	_	5	punct	5:punct	_
