Repeat the above two steps for all bottles, ensuring that everything is cleaned between uses to prevent color contamination.
1	Repeat	repeat	VERB	VB	Mood=Imp|Person=2|VerbForm=Fin	0	root	0:root	Discourse=joint-sequence_m:92->66:0
2	the	the	DET	DT	Definite=Def|PronType=Art	5	det	5:det	Entity=(88-event-acc:aggr-cf2-4-sgl|SplitAnte=81<88,87<88
3	above	above	ADJ	JJ	Degree=Pos	5	amod	5:amod	_
4	two	two	NUM	CD	NumForm=Word|NumType=Card	5	nummod	5:nummod	_
5	steps	step	NOUN	NNS	Number=Plur	1	obj	1:obj	Entity=88)
6	for	for	ADP	IN	_	8	case	8:case	_
7	all	all	DET	DT	PronType=Tot	8	det	8:det	Entity=(70-object-giv:inact-cf1-2-coref
8	bottles	bottle	NOUN	NNS	Number=Plur	5	nmod	5:nmod:for	Entity=70)|SpaceAfter=No
9	,	,	PUNCT	,	_	10	punct	10:punct	_
10	ensuring	ensure	VERB	VBG	VerbForm=Ger	1	advcl	1:advcl	Discourse=mode-manner:93->92:0
11	that	that	SCONJ	IN	_	14	mark	14:mark	_
12	everything	everything	PRON	NN	Number=Sing|PronType=Tot	14	nsubj:pass	14:nsubj:pass	Entity=(89-object-new-cf3-1-sgl)
13	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	aux:pass	14:aux:pass	_
14	cleaned	clean	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	10	ccomp	10:ccomp	_
15	between	between	ADP	IN	_	16	case	16:case	_
16	uses	use	NOUN	NNS	Number=Plur	14	obl	14:obl:between	Entity=(90-event-new-cf5-1-sgl)
17	to	to	PART	TO	_	18	mark	18:mark	Discourse=purpose-goal:94->93:0
18	prevent	prevent	VERB	VB	VerbForm=Inf	14	advcl	14:advcl:to	_
19	color	color	NOUN	NN	Number=Sing	20	compound	20:compound	Entity=(91-abstract-new-cf4-2-sgl(92-abstract-new-cf6-1-sgl)
20	contamination	contamination	NOUN	NN	Number=Sing	18	obj	18:obj	Entity=91)|SpaceAfter=No
21	.	.	PUNCT	.	_	1	punct	1:punct	_
