How could millions of customers be reimbursed if the charge had already been included in their electricity bills?
1	How	how	ADV	WH	PronType=Int	7	advmod	_	_
2	could	could	AUX	PAST-AUX	VerbForm=Fin	7	aux	_	_
3	millions	million	NOUN	PL-NOM	Number=Plur	7	nsubj:pass	_	_
4	of	of	ADP	_	_	5	case	_	_
5	customers	customer	NOUN	PL-NOM	Number=Plur	3	nmod	_	_
6	be	be	AUX	INF	VerbForm=Inf	7	aux:pass	_	_
7	reimbursed	reimburse	VERB	PASS	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
8	if	if	SCONJ	_	_	14	mark	_	_
9	the	the	DET	DEF	Definite=Def|PronType=Art	10	det	_	_
10	charge	charge	NOUN	SG-NOM	Number=Sing	14	nsubj:pass	_	_
11	had	have	AUX	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	14	aux	_	_
12	already	already	ADV	_	_	14	advmod	_	_
13	been	be	AUX	PERF	Tense=Past|VerbForm=Part	14	aux:pass	_	_
14	included	include	VERB	PASS	Tense=Past|VerbForm=Part|Voice=Pass	5	acl	_	_
15	in	in	ADP	_	_	18	case	_	_
16	their	they	PRON	P3PL-GEN	_	17	nmod:poss	_	_
17	electricity	electricity	NOUN	SG-NOM	Number=Sing	18	compound	_	_
18	bills	bill	NOUN	PL-NOM	Number=Plur	14	obl	_	SpaceAfter=No
19	?	?	PUNCT	QuestionMark	_	7	punct	_	_
