Mozilla Firefox, its main rival, has been actively increasing its market share while the recently released Google Chrome is also quickly gaining users.
1	Mozilla	Mozilla	PROPN	NNP	Number=Sing	11	nsubj	11:nsubj	Discourse=causal-cause:23->22:0|Entity=(30-abstract-new-cf2-1,2-coref-Firefox|XML=<ref>
2	Firefox	Firefox	PROPN	NNP	Number=Sing	1	flat	1:flat	Entity=30)|SpaceAfter=No|XML=</ref>
3	,	,	PUNCT	,	_	6	punct	6:punct	_
4	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	6:nmod:poss	Entity=(30-abstract-giv:act-cf2-3-appos-Firefox(23-abstract-giv:act-cf1*-1-ana-Internet_Explorer)
5	main	main	ADJ	JJ	Degree=Pos	6	amod	6:amod	_
6	rival	rival	NOUN	NN	Number=Sing	1	appos	1:appos	Entity=30)|SpaceAfter=No
7	,	,	PUNCT	,	_	1	punct	1:punct	_
8	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	aux	11:aux	_
9	been	be	AUX	VBN	Tense=Past|VerbForm=Part	11	aux	11:aux	_
10	actively	actively	ADV	RB	Degree=Pos	11	advmod	11:advmod	_
11	increasing	increase	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	0:root	_
12	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	14	nmod:poss	14:nmod:poss	Entity=(31-abstract-new-cf6-3-sgl(30-abstract-giv:act-cf2-1-ana-Firefox)
13	market	market	NOUN	NN	Number=Sing	14	compound	14:compound	_
14	share	share	NOUN	NN	Number=Sing	11	obj	11:obj	Entity=31)
15	while	while	SCONJ	IN	_	24	mark	24:mark	Discourse=joint-list_m:24->23:0
16	the	the	DET	DT	Definite=Def|PronType=Art	19	det	19:det	_
17	recently	recently	ADV	RB	Degree=Pos	18	advmod	18:advmod	_
18	released	release	VERB	VBN	Tense=Past|VerbForm=Part	19	amod	19:amod	_
19	Google	Google	PROPN	NNP	Number=Sing	24	nsubj	24:nsubj	Entity=(32-abstract-new-cf3-1,2-coref-Google_Chrome(33-organization-new-cf4-1-sgl-Google)|XML=<ref>
20	Chrome	Chrome	PROPN	NNP	Number=Sing	19	flat	19:flat	Entity=32)|XML=</ref>
21	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	24	aux	24:aux	_
22	also	also	ADV	RB	_	24	advmod	24:advmod	_
23	quickly	quickly	ADV	RB	Degree=Pos	24	advmod	24:advmod	_
24	gaining	gain	VERB	VBG	Tense=Pres|VerbForm=Part	11	advcl	11:advcl:while	_
25	users	user	NOUN	NNS	Number=Plur	24	obj	24:obj	Entity=(34-person-new-cf5-1-sgl)|SpaceAfter=No
26	.	.	PUNCT	.	_	11	punct	11:punct	_
