For example, I am concerned when I buy the monthly bus passes and I have to fill in my SS number.
1	For	for	ADP	IN	_	2	case	2:case	_
2	example	example	NOUN	NN	Number=Sing	6	obl	6:obl:for	SpaceAfter=No
3	,	,	PUNCT	,	_	6	punct	6:punct	_
4	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	6	nsubj	6:nsubj	_
5	am	be	AUX	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	6	cop	6:cop	_
6	concerned	concerned	ADJ	JJ	Degree=Pos	0	root	0:root	_
7	when	when	ADV	WRB	PronType=Int	9	advmod	9:advmod	_
8	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	9	nsubj	9:nsubj	_
9	buy	buy	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	6	advcl	6:advcl:when	_
10	the	the	DET	DT	Definite=Def|PronType=Art	13	det	13:det	_
11	monthly	monthly	ADJ	JJ	Degree=Pos	13	amod	13:amod	_
12	bus	bus	NOUN	NN	Number=Sing	13	compound	13:compound	_
13	passes	pass	NOUN	NNS	Number=Plur	9	obj	9:obj	_
14	and	and	CCONJ	CC	_	16	cc	16:cc	_
15	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	16	nsubj	16:nsubj|18:nsubj:xsubj	_
16	have	have	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	9	conj	6:advcl:when|9:conj:and	_
17	to	to	PART	TO	_	18	mark	18:mark	_
18	fill	fill	VERB	VB	VerbForm=Inf	16	xcomp	16:xcomp	_
19	in	in	ADP	RP	_	18	compound:prt	18:compound:prt	_
20	my	my	PRON	PRP$	Case=Gen|Number=Sing|Person=1|Poss=Yes|PronType=Prs	22	nmod:poss	22:nmod:poss	_
21	SS	ss	NOUN	NN	Number=Sing	22	compound	22:compound	_
22	number	number	NOUN	NN	Number=Sing	18	obj	18:obj	SpaceAfter=No
23	.	.	PUNCT	.	_	6	punct	6:punct	_
