He worked to observe humanity in its most representative state, frequently passing incognito among the masses of Parisian society to do research.
1	He	he	PRON	PE	Gender=Masc|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	worked	work	VERB	V	Mood=Ind|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	to	to	PART	PART	_	4	mark	_	_
4	observe	observe	VERB	V	VerbForm=Inf	2	xcomp	_	_
5	humanity	humanity	NOUN	S	Number=Sing	4	obj	_	_
6	in	in	ADP	E	_	10	case	_	_
7	its	its	DET	AP	Number=Sing|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
8	most	most	ADV	B	_	9	advmod	_	_
9	representative	representative	ADJ	A	Degree=Pos	10	amod	_	_
10	state	state	NOUN	S	Number=Sing	5	nmod	_	SpaceAfter=No
11	,	,	PUNCT	FF	_	2	punct	_	_
12	frequently	frequently	ADV	B	_	13	advmod	_	_
13	passing	pass	VERB	V	VerbForm=Ger	2	advcl	_	_
14	incognito	incognito	ADJ	A	Degree=Pos	13	amod	_	_
15	among	among	ADP	E	_	17	case	_	_
16	the	the	DET	RD	Definite=Def|PronType=Art	17	det	_	_
17	masses	masse	NOUN	S	Gender=Masc|Number=Plur	13	obl	_	_
18	of	of	ADP	E	_	20	case	_	_
19	Parisian	parisian	ADJ	A	Degree=Pos	20	amod	_	_
20	society	society	NOUN	S	Number=Sing	17	nmod	_	_
21	to	to	PART	PART	_	22	mark	_	_
22	do	do	VERB	V	VerbForm=Inf	13	advcl	_	_
23	research	research	NOUN	S	_	22	obj	_	SpaceAfter=No
24	.	.	PUNCT	FS	_	2	punct	_	_
