Why don't all profiles have a "Subscribe" button?
1	Why	why	ADV	B	_	6	advmod	_	_
2-3	don't	_	_	_	_	_	_	_	_
2	do	do	AUX	VA	Mood=Imp|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux	_	_
3	not	not	PART	PART	Polarity=Neg	2	advmod	_	_
4	all	all	DET	T	PronType=Tot	5	det	_	_
5	profiles	profile	NOUN	S	Number=Plur	6	nsubj	_	_
6	have	have	VERB	V	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
7	a	a	DET	RI	Definite=Ind|Number=Sing|PronType=Art	11	det	_	_
8	"	"	PUNCT	FB	_	9	punct	_	SpaceAfter=No
9	Subscribe	Subscribe	PROPN	SP	_	11	nmod	_	SpaceAfter=No
10	"	"	PUNCT	FB	_	9	punct	_	_
11	button	button	NOUN	S	Number=Sing	6	obj	_	SpaceAfter=No
12	?	?	PUNCT	FS	_	6	punct	_	_
