Let’s imagine stretching our rubber sheet taut on four posts.
1	Let	let	VERB	VB	Mood=Imp|Person=2|VerbForm=Fin	0	root	0:root	Discourse=attribution-positive:139->140:0|SpaceAfter=No
2	’s	we	PRON	PRP	Case=Acc|Number=Plur|Person=1|PronType=Prs	1	obj	1:obj|3:nsubj:xsubj	Entity=(53-person-giv:act-cf1*-1-ana)
3	imagine	imagine	VERB	VB	VerbForm=Inf	1	xcomp	1:xcomp	_
4	stretching	stretch	VERB	VBG	VerbForm=Ger	3	xcomp	3:xcomp	Discourse=mode-manner:140->133:1
5	our	our	PRON	PRP$	Case=Gen|Number=Plur|Person=1|Poss=Yes|PronType=Prs	7	nmod:poss	7:nmod:poss	Entity=(176-object-new-cf2-3-coref(53-person-giv:act-cf1*-1-ana)
6	rubber	rubber	NOUN	NN	Number=Sing	7	compound	7:compound	Entity=(177-substance-new-cf4-1-coref)
7	sheet	sheet	NOUN	NN	Number=Sing	4	obj	4:obj|8:nsubj:xsubj	Entity=176)
8	taut	taut	ADJ	JJ	Degree=Pos	4	xcomp	4:xcomp	_
9	on	on	ADP	IN	_	11	case	11:case	_
10	four	four	NUM	CD	NumForm=Word|NumType=Card	11	nummod	11:nummod	Entity=(178-object-new-cf3-2-sgl
11	posts	post	NOUN	NNS	Number=Plur	4	obl	4:obl:on	Entity=178)|SpaceAfter=No
12	.	.	PUNCT	.	_	1	punct	1:punct	_
