One caveat, however, is that our approach uses tail reduction as the mechanism for CoM displacement despite it has been recently shown that the evolutionary change in CoM position was driven instead by forelimb enlargement [8].
1	One	one	NUM	CD	NumForm=Word|NumType=Card	2	nummod	2:nummod	Discourse=adversative-concession:119->115:3|Entity=(188-abstract-new-cf1-2-coref
2	caveat	caveat	NOUN	NN	Number=Sing	10	nsubj:outer	10:nsubj:outer	Entity=188)|SpaceAfter=No
3	,	,	PUNCT	,	_	2	punct	2:punct	_
4	however	however	ADV	RB	_	10	advmod	10:advmod	SpaceAfter=No
5	,	,	PUNCT	,	_	4	punct	4:punct	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	cop	10:cop	_
7	that	that	SCONJ	IN	_	10	mark	10:mark	_
8	our	our	PRON	PRP$	Case=Gen|Number=Plur|Person=1|Poss=Yes|PronType=Prs	9	nmod:poss	9:nmod:poss	Entity=(188-abstract-giv:act-cf1-3-disc(102-abstract-giv:inact-cf4-2-coref(2-person-giv:inact-cf3-1-ana)
9	approach	approach	NOUN	NN	Number=Sing	10	nsubj	10:nsubj	Entity=102)
10	uses	use	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
11	tail	tail	NOUN	NN	Number=Sing	12	compound	12:compound	Entity=(189-event-new-cf10-2-coref(155-object-giv:inact-cf7-1-coref)
12	reduction	reduction	NOUN	NN	Number=Sing	10	obj	10:obj	Entity=189)
13	as	as	ADP	IN	_	15	case	15:case	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	15:det	Entity=(190-abstract-new-cf11-2-sgl
15	mechanism	mechanism	NOUN	NN	Number=Sing	10	obl	10:obl:as	_
16	for	for	ADP	IN	_	18	case	18:case	_
17	CoM	CoM	NOUN	NN	Number=Sing	18	compound	18:compound	Entity=(144-abstract-giv:inact-cf5-2-coref(16-abstract-giv:inact-cf2-1-coref)
18	displacement	displacement	NOUN	NN	Number=Sing	15	nmod	15:nmod:for	Entity=144)190)
19	despite	despite	SCONJ	IN	Typo=Yes	24	mark	24:mark	CorrectForm=although|Discourse=adversative-concession:120->119:0|XML=<sic ana:::"although"></sic>
20	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	24	expl	24:expl	Entity=(191-abstract-new-cf8-1-cata)
21	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	24	aux	24:aux	_
22	been	be	AUX	VBN	Tense=Past|VerbForm=Part	24	aux:pass	24:aux:pass	_
23	recently	recently	ADV	RB	Degree=Pos	24	advmod	24:advmod	_
24	shown	show	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	10	advcl	10:advcl:despite	_
25	that	that	SCONJ	IN	_	33	mark	33:mark	_
26	the	the	DET	DT	Definite=Def|PronType=Art	28	det	28:det	Entity=(191-abstract-acc:com-cf8-8-coref(192-event-new-cf9-3-sgl
27	evolutionary	evolutionary	ADJ	JJ	Degree=Pos	28	amod	28:amod	_
28	change	change	NOUN	NN	Number=Sing	33	nsubj:pass	33:nsubj:pass	_
29	in	in	ADP	IN	_	31	case	31:case	_
30	CoM	CoM	NOUN	NN	Number=Sing	31	compound	31:compound	Entity=(193-abstract-new-cf12-2-sgl(16-abstract-giv:act-cf2-1-coref)
31	position	position	NOUN	NN	Number=Sing	28	nmod	28:nmod:in	Entity=193)192)
32	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	33	aux:pass	33:aux:pass	_
33	driven	drive	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	24	csubj:pass	24:csubj:pass	_
34	instead	instead	ADV	RB	_	33	advmod	33:advmod	_
35	by	by	ADP	IN	_	37	case	37:case	_
36	forelimb	forelimb	NOUN	NN	Number=Sing	37	compound	37:compound	Entity=(194-event-new-cf13-2-sgl(195-object-new-cf14-1-sgl)
37	enlargement	enlargement	NOUN	NN	Number=Sing	33	obl:agent	33:obl:agent	Entity=194)191)
38	[	[	PUNCT	-LRB-	_	39	punct	39:punct	Discourse=explanation-evidence:121->120:0|SpaceAfter=No|XML=<ref>
39	8	8	NUM	CD	NumForm=Digit|NumType=Card	24	dep	24:dep	Entity=(52-abstract-giv:inact-cf6-1-coref)|SpaceAfter=No
40	]	]	PUNCT	-RRB-	_	39	punct	39:punct	Entity=188)|SpaceAfter=No|XML=</ref>
41	.	.	PUNCT	.	_	10	punct	10:punct	_
