A related set of questions about ethics are metaethical questions, which concern the meaning of moral terms, our ways of gaining knowledge of moral facts, and the nature of the moral facts.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	3:det	Bridge=4<5|Discourse=context-background:5->15:4|Entity=(5-abstract-acc:inf-cf3-3-coref
2	related	related	ADJ	JJ	Degree=Pos	3	amod	3:amod	_
3	set	set	NOUN	NN	Number=Sing	10	nsubj	10:nsubj	_
4	of	of	ADP	IN	_	5	case	5:case	_
5	questions	question	NOUN	NNS	Number=Plur	3	nmod	3:nmod:of	Entity=(6-abstract-new-cf8-1-sgl
6	about	about	ADP	IN	_	7	case	7:case	_
7	ethics	ethics	NOUN	NN	Number=Sing	5	nmod	5:nmod:about	Bridge=3<7|Entity=(7-abstract-acc:inf-cf4-1-coref)6)5)
8	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	cop	10:cop	_
9	metaethical	metaethical	ADJ	JJ	Degree=Pos	10	amod	10:amod	Entity=(5-abstract-giv:act-cf3-2-pred
10	questions	question	NOUN	NNS	Number=Plur	0	root	0:root|13:nsubj	SpaceAfter=No
11	,	,	PUNCT	,	_	13	punct	13:punct	_
12	which	which	PRON	WDT	PronType=Rel	13	nsubj	10:ref	Discourse=elaboration-attribute:6->5:0
13	concern	concern	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	acl:relcl	10:acl:relcl	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	15:det	Entity=(8-abstract-new-cf5-2-sgl
15	meaning	meaning	NOUN	NN	Number=Sing	13	obj	13:obj	_
16	of	of	ADP	IN	_	18	case	18:case	_
17	moral	moral	ADJ	JJ	Degree=Pos	18	amod	18:amod	Entity=(9-abstract-new-cf9-2-sgl
18	terms	term	NOUN	NNS	Number=Plur	15	nmod	15:nmod:of	Entity=9)8)|SpaceAfter=No
19	,	,	PUNCT	,	_	21	punct	21:punct	_
20	our	our	PRON	PRP$	Case=Gen|Number=Plur|Person=1|Poss=Yes|PronType=Prs	21	nmod:poss	21:nmod:poss	Entity=(10-abstract-new-cf10-2-sgl(2-person-giv:act-cf1*-1-ana)
21	ways	way	NOUN	NNS	Number=Plur	15	conj	13:obj|15:conj:and	_
22	of	of	SCONJ	IN	_	23	mark	23:mark	Discourse=elaboration-attribute:7->6:0
23	gaining	gain	VERB	VBG	VerbForm=Ger	21	acl	21:acl:of	_
24	knowledge	knowledge	NOUN	NN	Number=Sing	23	obj	23:obj	Entity=(11-abstract-new-cf6-1-sgl
25	of	of	ADP	IN	_	27	case	27:case	_
26	moral	moral	ADJ	JJ	Degree=Pos	27	amod	27:amod	Entity=(1-abstract-giv:inact-cf2-2-coref
27	facts	fact	NOUN	NNS	Number=Plur	24	nmod	24:nmod:of	Entity=1)11)10)|SpaceAfter=No
28	,	,	PUNCT	,	_	31	punct	31:punct	_
29	and	and	CCONJ	CC	_	31	cc	31:cc	Discourse=same-unit_m:8->6:1
30	the	the	DET	DT	Definite=Def|PronType=Art	31	det	31:det	Entity=(12-abstract-new-cf7-2-sgl
31	nature	nature	NOUN	NN	Number=Sing	15	conj	13:obj|15:conj:and	_
32	of	of	ADP	IN	_	35	case	35:case	_
33	the	the	DET	DT	Definite=Def|PronType=Art	35	det	35:det	Entity=(1-abstract-giv:act-cf2-3-coref
34	moral	moral	ADJ	JJ	Degree=Pos	35	amod	35:amod	_
35	facts	fact	NOUN	NNS	Number=Plur	31	nmod	31:nmod:of	Entity=1)12)5)|SpaceAfter=No
36	.	.	PUNCT	.	_	10	punct	10:punct	_
