At the age of eight, he was my best and only friend.
1	At	at	ADP	IN	_	3	case	3:case	Discourse=elaboration-additional:14->13:0
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	3:det	Entity=(15-abstract-new-cf3-2-coref
3	age	age	NOUN	NN	Number=Sing	13	nmod	13:nmod:at	_
4	of	of	ADP	IN	_	5	case	5:case	_
5	eight	eight	NUM	CD	NumForm=Word|NumType=Card	3	nmod	3:nmod:of	Entity=15)|SpaceAfter=No
6	,	,	PUNCT	,	_	3	punct	3:punct	_
7	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	13	nsubj	13:nsubj	Entity=(14-person-giv:act-cf1*-1-ana)
8	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	13	cop	13:cop	_
9	my	my	PRON	PRP$	Case=Gen|Number=Sing|Person=1|Poss=Yes|PronType=Prs	13	nmod:poss	13:nmod:poss	Entity=(14-person-giv:act-cf1*-5-coref(13-person-giv:act-cf2-1-ana)
10	best	good	ADJ	JJS	Degree=Sup	13	amod	13:amod	_
11	and	and	CCONJ	CC	_	12	cc	12:cc	_
12	only	only	ADJ	JJ	Degree=Pos	10	conj	10:conj:and|13:amod	_
13	friend	friend	NOUN	NN	Number=Sing	0	root	0:root	Entity=14)|SpaceAfter=No
14	.	.	PUNCT	.	_	13	punct	13:punct	_
