Tulsa has one of the largest concentrations of Art Deco in the nation, having been a booming city during the 1920s when the architecture was first built by rich oil barons who built stately mansions and turned the Downtown area into a treasure trove of art.
1	Tulsa	Tulsa	PROPN	NNP	Number=Sing	2	nsubj	2:nsubj	Discourse=joint-other_m:25->9:4|Entity=(1-place-giv:act-cf1*-1-coref-Tulsa%2C_Oklahoma)
2	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
3	one	one	NUM	CD	NumForm=Word|NumType=Card	2	obj	2:obj	Entity=(44-abstract-new-cf7-1,8-sgl
4	of	of	ADP	IN	_	7	case	7:case	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	7:det	_
6	largest	large	ADJ	JJS	Degree=Sup	7	amod	7:amod	_
7	concentrations	concentration	NOUN	NNS	Number=Plur	3	nmod	3:nmod:of	_
8	of	of	ADP	IN	_	9	case	9:case	_
9	Art	Art	PROPN	NNP	Number=Sing	7	nmod	7:nmod:of	Entity=(45-abstract-new-cf8-1,2-sgl-Art_Deco
10	Deco	Deco	PROPN	NNP	Number=Sing	9	flat	9:flat	Entity=45)
11	in	in	ADP	IN	_	13	case	13:case	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	13:det	Entity=(12-place-giv:inact-cf3-2-coref-United_States
13	nation	nation	NOUN	NN	Number=Sing	7	nmod	7:nmod:in	Entity=12)44)|SpaceAfter=No
14	,	,	PUNCT	,	_	19	punct	19:punct	_
15	having	have	AUX	VBG	VerbForm=Ger	19	aux	19:aux	Discourse=causal-cause:26->25:0
16	been	be	AUX	VBN	Tense=Past|VerbForm=Part	19	cop	19:cop	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	19	det	19:det	Entity=(1-place-giv:act-cf1*-3-coref-Tulsa%2C_Oklahoma
18	booming	booming	ADJ	JJ	Degree=Pos	19	amod	19:amod	_
19	city	city	NOUN	NN	Number=Sing	2	advcl	2:advcl	Entity=1)
20	during	during	ADP	IN	_	22	case	22:case	_
21	the	the	DET	DT	Definite=Def|PronType=Art	22	det	22:det	Entity=(46-time-acc:com-cf4-2-sgl|XML=<date from:::"1920-01-01" to:::"1929-12-31">
22	1920s	1920s	NOUN	NNS	Number=Plur	19	obl	19:obl:during	Entity=46)|XML=</date>
23	when	when	ADV	WRB	PronType=Int	28	advmod	28:advmod	Discourse=context-circumstance:27->26:0
24	the	the	DET	DT	Definite=Def|PronType=Art	25	det	25:det	Entity=(47-object-new-cf5-2-sgl
25	architecture	architecture	NOUN	NN	Number=Sing	28	nsubj:pass	28:nsubj:pass	Entity=47)
26	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	28	aux:pass	28:aux:pass	_
27	first	first	ADV	RB	Degree=Pos|NumType=Ord	28	advmod	28:advmod	_
28	built	build	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	19	advcl	19:advcl:when	_
29	by	by	ADP	IN	_	32	case	32:case	_
30	rich	rich	ADJ	JJ	Degree=Pos	32	amod	32:amod	Entity=(48-person-new-cf9-3-sgl
31	oil	oil	NOUN	NN	Number=Sing	32	compound	32:compound	Entity=(49-substance-new-cf11-1-sgl)
32	barons	baron	NOUN	NNS	Number=Plur	28	obl:agent	28:obl:agent|34:nsubj	_
33	who	who	PRON	WP	PronType=Rel	34	nsubj	32:ref	Discourse=elaboration-attribute:28->27:0
34	built	build	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	32	acl:relcl	32:acl:relcl	_
35	stately	stately	ADJ	JJ	Degree=Pos	36	amod	36:amod	Entity=(50-object-new-cf6-2-sgl
36	mansions	mansion	NOUN	NNS	Number=Plur	34	obj	34:obj	Entity=50)
37	and	and	CCONJ	CC	_	38	cc	38:cc	Discourse=joint-list_m:29->28:0
38	turned	turn	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	34	conj	32:acl:relcl|34:conj:and	_
39	the	the	DET	DT	Definite=Def|PronType=Art	41	det	41:det	Entity=(51-place-new-cf2-3-coref-Downtown_Tulsa
40	Downtown	Downtown	PROPN	NNP	Number=Sing	41	compound	41:compound	_
41	area	area	NOUN	NN	Number=Sing	38	obj	38:obj	Entity=51)
42	into	into	ADP	IN	_	45	case	45:case	_
43	a	a	DET	DT	Definite=Ind|PronType=Art	45	det	45:det	Entity=(51-place-giv:act-cf2-3-coref-Downtown_Tulsa
44	treasure	treasure	NOUN	NN	Number=Sing	45	compound	45:compound	_
45	trove	trove	NOUN	NN	Number=Sing	38	obl	38:obl:into	_
46	of	of	ADP	IN	_	47	case	47:case	_
47	art	art	NOUN	NN	Number=Sing	45	nmod	45:nmod:of	Entity=(52-abstract-new-cf10-1-sgl)51)48)|SpaceAfter=No
48	.	.	PUNCT	.	_	2	punct	2:punct	_
