If Sam's description below of the GCP procedure is correct, it looks to me like something needs to be changed.
1	If	if	SCONJ	IN	_	11	mark	11:mark	_
2-3	Sam's	_	_	_	_	_	_	_	_
2	Sam	Sam	PROPN	NNP	Number=Sing	4	nmod:poss	4:nmod:poss	_
3	's	's	PART	POS	_	2	case	2:case	_
4	description	description	NOUN	NN	Number=Sing	11	nsubj	11:nsubj	_
5	below	below	ADV	RB	_	4	advmod	4:advmod	_
6	of	of	ADP	IN	_	9	case	9:case	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	9:det	_
8	GCP	gcp	NOUN	NN	Number=Sing	9	compound	9:compound	_
9	procedure	procedure	NOUN	NN	Number=Sing	4	nmod	4:nmod:of	_
10	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	cop	11:cop	_
11	correct	correct	ADJ	JJ	Degree=Pos	14	advcl	14:advcl:if	SpaceAfter=No
12	,	,	PUNCT	,	_	14	punct	14:punct	_
13	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	14	nsubj	14:nsubj	_
14	looks	look	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
15	to	to	ADP	IN	_	16	case	16:case	_
16	me	I	PRON	PRP	Case=Acc|Number=Sing|Person=1|PronType=Prs	14	obl	14:obl:to	_
17	like	like	SCONJ	IN	_	19	mark	19:mark	_
18	something	something	PRON	NN	Number=Sing|PronType=Ind	19	nsubj	19:nsubj|22:nsubj:xsubj	_
19	needs	need	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	advcl	14:advcl:like	_
20	to	to	PART	TO	_	22	mark	22:mark	_
21	be	be	AUX	VB	VerbForm=Inf	22	aux:pass	22:aux:pass	_
22	changed	change	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	19	xcomp	19:xcomp	SpaceAfter=No
23	.	.	PUNCT	.	_	14	punct	14:punct	_
