Tagging error for "better"

[muchang]

For the "better" in the following sentence, it is attached to come with advmod but tagged as ADJ.

# sent_id = n01115013
# text = Last year was an incredible year and I’m ready for us to come back even better in 2017.
1	Last	last	ADJ	JJ	Degree=Pos	2	amod	2:amod	_
2	year	year	NOUN	NN	Number=Sing	6	nsubj	6:nsubj	_
3	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	6	cop	6:cop	_
4	an	a	DET	DT	Definite=Ind|PronType=Art	6	det	6:det	_
5	incredible	incredible	ADJ	JJ	Degree=Pos	6	amod	6:amod	_
6	year	year	NOUN	NN	Number=Sing	0	root	0:root	_
7	and	and	CCONJ	CC	_	10	cc	10:cc	_
8	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	10	nsubj	10:nsubj	SpaceAfter=No
9	’m	be	AUX	VBP	Mood=Ind|Tense=Pres|VerbForm=Fin	10	cop	10:cop	_
10	ready	ready	ADJ	JJ	Degree=Pos	6	conj	6:conj:and	_
11	for	for	SCONJ	IN	_	14	mark	14:mark	_
12	us	we	PRON	PRP	Case=Acc|Number=Plur|Person=1|PronType=Prs	14	nsubj	14:nsubj	_
13	to	to	PART	TO	_	14	mark	14:mark	_
14	come	come	VERB	VB	VerbForm=Inf	10	ccomp	10:ccomp	_
15	back	back	ADV	RB	_	14	advmod	14:advmod	_
16	even	even	ADV	RB	_	17	advmod	17:advmod	_
17	better	better	ADJ	JJR	Degree=Cmp	14	advmod	14:advmod	_
18	in	in	ADP	IN	_	19	case	19:case	_
19	2017	2017	NUM	CD	NumType=Card	14	obl	14:obl:in	SpaceAfter=No
20	.	.	PUNCT	.	_	6	punct	6:punct	_

Commit: 20bcd5e