This curving of spacetime is identified with gravity.
1	This	this	DET	DT	Number=Sing|PronType=Dem	2	det	2:det	Discourse=elaboration-additional:57->56:0|Entity=(88-event-giv:act-cf1*-2-coref
2	curving	curving	NOUN	NN	Number=Sing	6	nsubj:pass	6:nsubj:pass	_
3	of	of	ADP	IN	_	4	case	4:case	_
4	spacetime	spacetime	NOUN	NN	Number=Sing	2	nmod	2:nmod:of	Entity=(1-abstract-giv:act-cf2-1-coref)88)
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux:pass	6:aux:pass	_
6	identified	identify	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
7	with	with	ADP	IN	_	8	case	8:case	_
8	gravity	gravity	NOUN	NN	Number=Sing	6	obl	6:obl:with	Entity=(2-abstract-giv:inact-cf3-1-coref)|SpaceAfter=No
9	.	.	PUNCT	.	_	6	punct	6:punct	_
