It is persistent in the environment; it never breaks down nor goes away.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	3:nsubj	Discourse=elaboration-additional:76->75:0|Entity=(116-substance-giv:act-cf1*-1-ana)
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	3:cop	_
3	persistent	persistent	ADJ	JJ	Degree=Pos	0	root	0:root	_
4	in	in	ADP	IN	_	6	case	6:case	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	6:det	Entity=(43-abstract-giv:inact-cf2-2-coref
6	environment	environment	NOUN	NN	Number=Sing	3	obl	3:obl:in	Entity=43)|SpaceAfter=No
7	;	;	PUNCT	:	_	10	punct	10:punct	_
8	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	10	nsubj	10:nsubj|13:nsubj	Discourse=restatement-repetition_m:77->76:0|Entity=(116-substance-giv:act-cf1*-1-ana)
9	never	never	ADV	RB	Polarity=Neg	10	advmod	10:advmod	_
10	breaks	break	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	parataxis	3:parataxis	_
11	down	down	ADP	RP	_	10	compound:prt	10:compound:prt	_
12	nor	nor	CCONJ	CC	_	13	cc	13:cc	Discourse=joint-list_m:78->77:0
13	goes	go	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	conj	10:conj:nor	_
14	away	away	ADV	RB	Degree=Pos	13	advmod	13:advmod	SpaceAfter=No
15	.	.	PUNCT	.	_	3	punct	3:punct	_
