The Olmec carved heads from giant boulders that ranged from four to eleven feet in height and could weigh up to fifty tons.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	2:det	Discourse=context-background:102->77:2|Entity=(92-person-giv:inact-cf1-2-coref-Olmecs
2	Olmec	Olmec	PROPN	NNPS	Number=Plur	3	nsubj	3:nsubj	Entity=92)
3	carved	carve	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
4	heads	head	NOUN	NNS	Number=Plur	3	obj	3:obj	Entity=(181-object-new-cf2-1-coref)
5	from	from	ADP	IN	_	7	case	7:case	_
6	giant	giant	ADJ	JJ	Degree=Pos	7	amod	7:amod	Entity=(182-object-new-cf3-2-sgl
7	boulders	boulder	NOUN	NNS	Number=Plur	3	obl	3:obl:from|9:nsubj	_
8	that	that	PRON	WDT	PronType=Rel	9	nsubj	7:ref	Discourse=elaboration-attribute:103->102:0
9	ranged	rang	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	7	acl:relcl	7:acl:relcl	_
10	from	from	ADP	IN	_	11	case	11:case	_
11	four	four	NUM	CD	NumForm=Word|NumType=Card	9	obl	9:obl:from	Entity=(183-abstract-new-cf4-4-sgl
12	to	to	ADP	IN	_	14	case	14:case	_
13	eleven	eleven	NUM	CD	NumForm=Word|NumType=Card	14	nummod	14:nummod	_
14	feet	foot	NOUN	NNS	Number=Plur	9	obl	9:obl:to	_
15	in	in	ADP	IN	_	16	case	16:case	_
16	height	height	NOUN	NN	Number=Sing	14	nmod	14:nmod:in	Entity=(184-abstract-new-cf5-1-sgl)183)
17	and	and	CCONJ	CC	_	19	cc	19:cc	Discourse=joint-list_m:104->103:0
18	could	could	AUX	MD	VerbForm=Fin	19	aux	19:aux	_
19	weigh	weigh	VERB	VB	VerbForm=Inf	9	conj	7:acl:relcl|9:conj:and	_
20	up	up	ADV	IN	_	22	advmod	22:advmod	_
21	to	to	ADP	IN	_	20	fixed	20:fixed	_
22	fifty	fifty	NUM	CD	NumForm=Word|NumType=Card	23	nummod	23:nummod	Entity=(185-abstract-new-cf6-2-sgl
23	tons	ton	NOUN	NNS	Number=Plur	19	obl:npmod	19:obl:npmod	Entity=185)182)|SpaceAfter=No
24	.	.	PUNCT	.	_	3	punct	3:punct	_
