This is the cage I have whhich is pretty much IMPOSSIBLE to escape from:
1	This	this	PRON	DT	Number=Sing|PronType=Dem	4	nsubj	4:nsubj	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	4:cop	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	4:det	_
4	cage	cage	NOUN	NN	Number=Sing	0	root	0:root|6:obj|11:nsubj|13:obl:from	_
5	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	6	nsubj	6:nsubj	_
6	have	have	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	4	acl:relcl	4:acl:relcl	_
7	whhich	which	PRON	WDT	PronType=Rel|Typo=Yes	11	nsubj	4:ref	CorrectForm=which
8	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	cop	11:cop	_
9	pretty	pretty	ADV	RB	_	10	advmod	10:advmod	_
10	much	much	ADV	RB	_	11	advmod	11:advmod	_
11	IMPOSSIBLE	impossible	ADJ	JJ	Degree=Pos	4	acl:relcl	4:acl:relcl	_
12	to	to	PART	TO	_	13	mark	13:mark	_
13	escape	escape	VERB	VB	VerbForm=Inf	11	xcomp	11:xcomp	_
14	from	from	ADP	IN	_	13	obl	13:obl	SpaceAfter=No
15	:	:	PUNCT	:	_	4	punct	4:punct	_
