If you haven't guessed, it comes from the following:
1	If	if	SCONJ	IN	_	5	mark	5:mark	Discourse=organization-preparation:27->28:0
2	you	you	PRON	PRP	Case=Nom|Number=Sing|Person=2|PronType=Prs	5	nsubj	5:nsubj	Entity=(5-person-giv:inact-cf2-1-ana)
3-4	haven't	_	_	_	_	_	_	_	_
3	have	have	AUX	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	5	aux	5:aux	_
4	n't	not	PART	RB	Polarity=Neg	5	advmod	5:advmod	_
5	guessed	guess	VERB	VBN	Tense=Past|VerbForm=Part	8	advcl	8:advcl:if	SpaceAfter=No
6	,	,	PUNCT	,	_	5	punct	5:punct	_
7	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	8	nsubj	8:nsubj	Discourse=organization-preparation:28->29:1|Entity=(29-abstract-giv:act-cf1*-1-ana)
8	comes	come	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
9	from	from	ADP	IN	_	10	case	10:case	_
10	the	the	DET	DT	Definite=Def|PronType=Art	8	obl	8:obl:from	_
11	following	follow	VERB	VBG	VerbForm=Ger	10	amod	10:amod	SpaceAfter=No
12	:	:	PUNCT	:	_	8	punct	8:punct	_
