Due to the phylogenetic relatedness, extant birds have been used to inform functional aspects of non-avian dinosaur locomotion.
1	Due	due	ADJ	JJ	Degree=Pos	5	case	5:case	Discourse=context-background:108->115:2
2	to	to	ADP	IN	_	1	fixed	1:fixed	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	5:det	Entity=(169-abstract-new-cf3-3-sgl
4	phylogenetic	phylogenetic	ADJ	JJ	Degree=Pos	5	amod	5:amod	_
5	relatedness	relatedness	NOUN	NN	Number=Sing	11	obl	11:obl:due_to	Entity=169)|SpaceAfter=No
6	,	,	PUNCT	,	_	5	punct	5:punct	_
7	extant	extant	ADJ	JJ	Degree=Pos	8	amod	8:amod	Entity=(170-animal-new-cf1-2-coref
8	birds	bird	NOUN	NNS	Number=Plur	11	nsubj:pass	11:nsubj:pass	Entity=170)
9	have	have	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	11	aux	11:aux	_
10	been	be	AUX	VBN	Tense=Past|VerbForm=Part	11	aux:pass	11:aux:pass	_
11	used	use	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
12	to	to	PART	TO	_	13	mark	13:mark	Discourse=purpose-goal:109->108:0
13	inform	inform	VERB	VB	VerbForm=Inf	11	advcl	11:advcl:to	_
14	functional	functional	ADJ	JJ	Degree=Pos	15	amod	15:amod	Entity=(171-abstract-new-cf2-2-sgl
15	aspects	aspect	NOUN	NNS	Number=Plur	13	obj	13:obj	_
16	of	of	ADP	IN	_	19	case	19:case	_
17	non-avian	non-avian	ADJ	JJ	Degree=Pos|Polarity=Neg	19	amod	19:amod	Entity=(172-event-new-cf4-3-coref(173-animal-new-cf5-2-coref
18	dinosaur	dinosaur	NOUN	NN	Number=Sing	19	compound	19:compound	Entity=173)
19	locomotion	locomotion	NOUN	NN	Number=Sing	15	nmod	15:nmod:of	Entity=172)171)|SpaceAfter=No
20	.	.	PUNCT	.	_	11	punct	11:punct	_
