Riders accustomed to flat terrain may find Tulsa's rolling land to be a bit more challenging, particularly during the heat of summer.
1	Riders	rider	NOUN	NNS	Number=Plur	7	nsubj	7:nsubj	Discourse=joint-other_m:125->118:1|Entity=(234-person-new-cf4-1-coref
2	accustomed	accustomed	ADJ	JJ	Degree=Pos	1	amod	1:amod	_
3	to	to	ADP	IN	_	5	case	5:case	_
4	flat	flat	ADJ	JJ	Degree=Pos	5	amod	5:amod	Entity=(235-place-new-cf6-2-sgl
5	terrain	terrain	NOUN	NN	Number=Sing	2	obl	2:obl:to	Entity=235)234)
6	may	may	AUX	MD	Number=Plur|Person=3|VerbForm=Fin	7	aux	7:aux	_
7	find	find	VERB	VB	VerbForm=Inf	0	root	0:root	_
8-9	Tulsa's	_	_	_	_	_	_	_	_
8	Tulsa	Tulsa	PROPN	NNP	Number=Sing	11	nmod:poss	11:nmod:poss	Entity=(25-object-giv:inact-cf1-4-coref(1-place-giv:inact-cf2-1-coref-Tulsa%2C_Oklahoma
9	's	's	PART	POS	_	8	case	8:case	Entity=1)
10	rolling	rolling	ADJ	JJ	Degree=Pos	11	amod	11:amod	_
11	land	land	NOUN	NN	Number=Sing	7	obj	7:obj|17:nsubj:xsubj	Entity=25)
12	to	to	PART	TO	_	17	mark	17:mark	_
13	be	be	AUX	VB	VerbForm=Inf	17	cop	17:cop	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	15	det	15:det	_
15	bit	bit	NOUN	NN	Number=Sing	16	obl:npmod	16:obl:npmod	_
16	more	more	ADV	RBR	Degree=Cmp	17	advmod	17:advmod	_
17	challenging	challenging	ADJ	JJ	Degree=Pos	7	xcomp	7:xcomp	SpaceAfter=No
18	,	,	PUNCT	,	_	22	punct	22:punct	_
19	particularly	particularly	ADV	RB	Degree=Pos	22	advmod	22:advmod	_
20	during	during	ADP	IN	_	22	case	22:case	_
21	the	the	DET	DT	Definite=Def|PronType=Art	22	det	22:det	Entity=(236-abstract-new-cf5-2-sgl
22	heat	heat	NOUN	NN	Number=Sing	17	obl	17:obl:during	_
23	of	of	ADP	IN	_	24	case	24:case	_
24	summer	summer	NOUN	NN	Number=Sing	22	nmod	22:nmod:of	Entity=(237-time-acc:com-cf3-1-sgl)236)|SpaceAfter=No|XML=<date from:::"--06" to:::"--09"></date>
25	.	.	PUNCT	.	_	7	punct	7:punct	_
