Just as concepts can be abstract or concrete, we can make a distinction between concepts that are functions of our direct experience with the world and those that are more artificial in nature.
1	Just	just	ADV	RB	_	6	advmod	6:advmod	Discourse=mode-manner:138->139:2
2	as	as	SCONJ	IN	_	6	mark	6:mark	_
3	concepts	concept	NOUN	NNS	Number=Plur	6	nsubj	6:nsubj|8:nsubj	Entity=(6-abstract-giv:inact-cf3-1-coref)
4	can	can	AUX	MD	VerbForm=Fin	6	aux	6:aux	_
5	be	be	AUX	VB	VerbForm=Inf	6	cop	6:cop	_
6	abstract	abstract	ADJ	JJ	Degree=Pos	12	advcl	12:advcl:as	_
7	or	or	CCONJ	CC	_	8	cc	8:cc	_
8	concrete	concrete	ADJ	JJ	Degree=Pos	6	conj	6:conj:or|12:advcl:as	SpaceAfter=No
9	,	,	PUNCT	,	_	6	punct	6:punct	_
10	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	12	nsubj	12:nsubj	Discourse=elaboration-additional:139->121:2|Entity=(32-person-giv:inact-cf1-1-ana)
11	can	can	AUX	MD	VerbForm=Fin	12	aux	12:aux	_
12	make	make	VERB	VB	VerbForm=Inf	0	root	0:root	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	14:det	Entity=(210-abstract-new-cf5-2-sgl
14	distinction	distinction	NOUN	NN	Number=Sing	12	obj	12:obj	_
15	between	between	ADP	IN	_	16	case	16:case	_
16	concepts	concept	NOUN	NNS	Number=Plur	14	nmod	14:nmod:between|19:nsubj	Entity=(211-abstract-new-cf2-1-coref
17	that	that	PRON	WDT	PronType=Rel	19	nsubj	16:ref	Discourse=elaboration-attribute:140->139:0
18	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	19	cop	19:cop	_
19	functions	function	NOUN	NNS	Number=Plur	16	acl:relcl	16:acl:relcl	Entity=(211-abstract-giv:act-cf2-1-coref
20	of	of	ADP	IN	_	23	case	23:case	_
21	our	our	PRON	PRP$	Case=Gen|Number=Plur|Person=1|Poss=Yes|PronType=Prs	23	nmod:poss	23:nmod:poss	Entity=(212-abstract-new-cf6-3-sgl(32-person-giv:act-cf1-1-ana)
22	direct	direct	ADJ	JJ	Degree=Pos	23	amod	23:amod	_
23	experience	experience	NOUN	NN	Number=Sing	19	nmod	19:nmod:of	_
24	with	with	ADP	IN	_	26	case	26:case	_
25	the	the	DET	DT	Definite=Def|PronType=Art	26	det	26:det	Entity=(213-place-acc:com-cf4-2-sgl
26	world	world	NOUN	NN	Number=Sing	23	nmod	23:nmod:with	Entity=213)212)211)211)
27	and	and	CCONJ	CC	_	28	cc	28:cc	Discourse=same-unit_m:141->139:1
28	those	that	PRON	DT	Number=Plur|PronType=Dem	16	conj	14:nmod:between|16:conj:and|32:nsubj	Entity=(214-abstract-new-cf8-1-sgl
29	that	that	PRON	WDT	PronType=Rel	32	nsubj	28:ref	Discourse=elaboration-attribute:142->141:0
30	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	32	cop	32:cop	_
31	more	more	ADV	RBR	Degree=Cmp	32	advmod	32:advmod	_
32	artificial	artificial	ADJ	JJ	Degree=Pos	28	acl:relcl	28:acl:relcl	_
33	in	in	ADP	IN	_	34	case	34:case	_
34	nature	nature	NOUN	NN	Number=Sing	32	obl	32:obl:in	Entity=(215-abstract-new-cf7-1-sgl)214)210)|SpaceAfter=No
35	.	.	PUNCT	.	_	12	punct	12:punct	_
