Back outside on the marble steps, they all separated.
1	Back	back	ADV	_	_	2	advmod	_	_
2	outside	outside	ADV	_	_	10	advmod	_	_
3	on	on	ADP	_	_	6	case	_	_
4	the	the	DET	DEF	Definite=Def|PronType=Art	6	det	_	_
5	marble	marble	NOUN	SG-NOM	Number=Sing	6	compound	_	_
6	steps	step	NOUN	PL-NOM	Number=Plur	2	nmod	_	SpaceAfter=No
7	,	,	PUNCT	Comma	_	2	punct	_	_
8	they	they	PRON	PERS-PL-NOM	Case=Nom|Number=Plur|Person=3|PronType=Prs	10	nsubj	_	_
9	all	all	PRON	TOT-PL	Case=Nom	10	obl	_	_
10	separated	separate	VERB	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	SpaceAfter=No
11	.	.	PUNCT	Period	_	10	punct	_	_
