Frequent urination is a sign of several things.
1	Frequent	frequent	ADJ	JJ	Degree=Pos	2	amod	2:amod	_
2	urination	urination	NOUN	NN	Number=Sing	5	nsubj	5:nsubj	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	5:cop	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	5:det	_
5	sign	sign	NOUN	NN	Number=Sing	0	root	0:root	_
6	of	of	ADP	IN	_	8	case	8:case	_
7	several	several	ADJ	JJ	Degree=Pos	8	amod	8:amod	_
8	things	thing	NOUN	NNS	Number=Plur	5	nmod	5:nmod:of	SpaceAfter=No
9	.	.	PUNCT	.	_	5	punct	5:punct	_
