The fact that he had caused someone who loved him such pain with so little effort and understanding troubled him deeply.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	2:det	Discourse=elaboration-additional:56->54:1|Entity=(68-abstract-new-cf3-2-sgl
2	fact	fact	NOUN	NN	Number=Sing	19	nsubj	19:nsubj	_
3	that	that	SCONJ	IN	_	6	mark	6:mark	Discourse=elaboration-attribute:57->56:0
4	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	6	nsubj	6:nsubj	Entity=(1-person-giv:act-cf1*-1-ana)
5	had	have	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	6	aux	6:aux	_
6	caused	cause	VERB	VBN	Tense=Past|VerbForm=Part	2	acl	2:acl:that	_
7	someone	someone	PRON	NN	Number=Sing|PronType=Ind	6	iobj	6:iobj|9:nsubj	Entity=(2-person-giv:inact-cf2-1-coref
8	who	who	PRON	WP	PronType=Rel	9	nsubj	7:ref	Discourse=elaboration-attribute:58->57:0
9	loved	love	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	7	acl:relcl	7:acl:relcl	_
10	him	he	PRON	PRP	Case=Acc|Gender=Masc|Number=Sing|Person=3|PronType=Prs	9	obj	9:obj	Entity=(1-person-giv:act-cf1*-1-ana)2)
11	such	such	ADJ	JJ	Degree=Pos	12	amod	12:amod	Discourse=same-unit_m:59->56:1|Entity=(69-abstract-new-cf4-2-sgl
12	pain	pain	NOUN	NN	Number=Sing	6	obj	6:obj	Entity=69)
13	with	with	ADP	IN	_	16	case	16:case	_
14	so	so	ADV	RB	_	15	advmod	15:advmod	Entity=(70-abstract-new-cf5-3,5-sgl
15	little	little	ADJ	JJ	Degree=Pos	16	amod	16:amod	_
16	effort	effort	NOUN	NN	Number=Sing	6	obl	6:obl:with	_
17	and	and	CCONJ	CC	_	18	cc	18:cc	_
18	understanding	understanding	NOUN	NN	Number=Sing	16	conj	6:obl:with|16:conj:and	Entity=70)68)
19	troubled	trouble	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
20	him	he	PRON	PRP	Case=Acc|Gender=Masc|Number=Sing|Person=3|PronType=Prs	19	obj	19:obj	Entity=(1-person-giv:act-cf1*-1-ana)
21	deeply	deeply	ADV	RB	Degree=Pos	19	advmod	19:advmod	SpaceAfter=No
22	.	.	PUNCT	.	_	19	punct	19:punct	_
