if agents are to satisfy the epistemic conditions on responsibility, they must know what kinds of knowledge they must utilize to guide their selection of sources (on pain of infinite regress).
1	if	if	SCONJ	IN	_	5	mark	5:mark	Discourse=contingency-condition:6->7:0
2	agents	agent	NOUN	NNS	Number=Plur	5	nsubj	5:nsubj	Entity=(2-person-giv:act-cf1*-1-coref)
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	aux	5:aux	_
4	to	to	PART	TO	_	5	mark	5:mark	_
5	satisfy	satisfy	VERB	VB	VerbForm=Inf	14	advcl	14:advcl:if_to	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	8:det	Entity=(7-abstract-new-cf2-3-sgl
7	epistemic	epistemic	ADJ	JJ	Degree=Pos	8	amod	8:amod	_
8	conditions	condition	NOUN	NNS	Number=Plur	5	obj	5:obj	_
9	on	on	ADP	IN	_	10	case	10:case	_
10	responsibility	responsibility	NOUN	NN	Number=Sing	8	nmod	8:nmod:on	Entity=(8-abstract-new-cf4-1-sgl)7)|SpaceAfter=No
11	,	,	PUNCT	,	_	5	punct	5:punct	_
12	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	14	nsubj	14:nsubj	Discourse=attribution-positive:7->8:1|Entity=(2-person-giv:act-cf1*-1-ana)
13	must	must	AUX	MD	VerbForm=Fin	14	aux	14:aux	_
14	know	know	VERB	VB	VerbForm=Inf	0	root	0:root	_
15	what	what	DET	WDT	PronType=Int	16	det	16:det	Discourse=explanation-justify:8->2:1|Entity=(9-abstract-new-cf5-16-sgl
16	kinds	kind	NOUN	NNS	Number=Plur	14	obj	14:obj	_
17	of	of	ADP	IN	_	18	case	18:case	_
18	knowledge	knowledge	NOUN	NN	Number=Sing	16	nmod	16:nmod:of	_
19	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	21	nsubj	21:nsubj	Entity=(2-person-giv:act-cf1*-1-ana)
20	must	must	AUX	MD	VerbForm=Fin	21	aux	21:aux	_
21	utilize	utilize	VERB	VB	VerbForm=Inf	16	acl:relcl	16:acl:relcl	_
22	to	to	PART	TO	_	23	mark	23:mark	Discourse=purpose-goal:9->8:0
23	guide	guide	VERB	VB	VerbForm=Inf	21	advcl	21:advcl:to	_
24	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	25	nmod:poss	25:nmod:poss	Entity=(10-abstract-new-cf3-2-sgl(2-person-giv:act-cf1*-1-ana)
25	selection	selection	NOUN	NN	Number=Sing	23	obj	23:obj	_
26	of	of	ADP	IN	_	27	case	27:case	_
27	sources	source	NOUN	NNS	Number=Plur	25	nmod	25:nmod:of	Entity=(11-abstract-new-cf6-1-sgl)10)
28	(	(	PUNCT	-LRB-	_	30	punct	30:punct	Discourse=explanation-justify:10->8:2|SpaceAfter=No
29	on	on	ADP	IN	_	30	case	30:case	_
30	pain	pain	NOUN	NN	Number=Sing	14	obl	14:obl:on	_
31	of	of	ADP	IN	_	33	case	33:case	_
32	infinite	infinite	ADJ	JJ	Degree=Pos	33	amod	33:amod	Entity=(12-abstract-new-cf7-2-sgl
33	regress	regress	NOUN	NN	Number=Sing	30	nmod	30:nmod:of	Entity=12)|SpaceAfter=No
34	)	)	PUNCT	-RRB-	_	30	punct	30:punct	Entity=9)|SpaceAfter=No
35	.	.	PUNCT	.	_	14	punct	14:punct	_
