The central question behind the palace coup is whether Terry Winter, the president of the Independent System Operator, acted alone when he took steps to remove key price caps designed to limit the amount power generators could charge.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	3:det	_
2	central	central	ADJ	JJ	Degree=Pos	3	amod	3:amod	_
3	question	question	NOUN	NN	Number=Sing	21	nsubj:outer	21:nsubj:outer	_
4	behind	behind	ADP	IN	_	7	case	7:case	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	7:det	_
6	palace	palace	NOUN	NN	Number=Sing	7	compound	7:compound	_
7	coup	coup	NOUN	NN	Number=Sing	3	nmod	3:nmod:behind	_
8	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	21	cop	21:cop	_
9	whether	whether	SCONJ	IN	_	21	mark	21:mark	_
10	Terry	Terry	PROPN	NNP	Number=Sing	21	nsubj	21:nsubj	_
11	Winter	Winter	PROPN	NNP	Number=Sing	10	flat	10:flat	SpaceAfter=No
12	,	,	PUNCT	,	_	10	punct	10:punct	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	14:det	_
14	president	president	NOUN	NN	Number=Sing	10	appos	10:appos	_
15	of	of	ADP	IN	_	19	case	19:case	_
16	the	the	DET	DT	Definite=Def|PronType=Art	19	det	19:det	_
17	Independent	Independent	ADJ	NNP	Degree=Pos	19	amod	19:amod	_
18	System	System	PROPN	NNP	Number=Sing	19	compound	19:compound	_
19	Operator	Operator	PROPN	NNP	Number=Sing	14	nmod	14:nmod:of	SpaceAfter=No
20	,	,	PUNCT	,	_	21	punct	21:punct	_
21	acted	act	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
22	alone	alone	ADV	RB	_	21	advmod	21:advmod	_
23	when	when	ADV	WRB	PronType=Int	25	advmod	25:advmod	_
24	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	25	nsubj	25:nsubj	_
25	took	take	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	21	advcl	21:advcl:when	_
26	steps	step	NOUN	NNS	Number=Plur	25	obj	25:obj	_
27	to	to	PART	TO	_	28	mark	28:mark	_
28	remove	remove	VERB	VB	VerbForm=Inf	26	acl	26:acl:to	_
29	key	key	ADJ	JJ	Degree=Pos	31	amod	31:amod	_
30	price	price	NOUN	NN	Number=Sing	31	compound	31:compound	_
31	caps	cap	NOUN	NNS	Number=Plur	28	obj	28:obj	_
32	designed	design	VERB	VBN	Tense=Past|VerbForm=Part	31	acl	31:acl	_
33	to	to	PART	TO	_	34	mark	34:mark	_
34	limit	limit	VERB	VB	VerbForm=Inf	32	advcl	32:advcl:to	_
35	the	the	DET	DT	Definite=Def|PronType=Art	36	det	36:det	_
36	amount	amount	NOUN	NN	Number=Sing	34	obj	34:obj	_
37	power	power	NOUN	NN	Number=Sing	38	compound	38:compound	_
38	generators	generator	NOUN	NNS	Number=Plur	40	nsubj	40:nsubj	_
39	could	could	AUX	MD	VerbForm=Fin	40	aux	40:aux	_
40	charge	charge	VERB	VB	VerbForm=Inf	36	acl:relcl	36:acl:relcl	SpaceAfter=No
41	.	.	PUNCT	.	_	21	punct	21:punct	_
