They developed a mathematical system, built huge edifices, and devised a calendar that accurately predicted eclipses and solstices and that priest-astronomers used to direct the planting and harvesting of crops.
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	2:nsubj|7:nsubj|12:nsubj	Discourse=joint-other_m:56->48:1|Entity=(100-person-giv:act-cf1*-1-ana)
2	developed	develop	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	5:det	Entity=(111-abstract-new-cf4-3-sgl
4	mathematical	mathematical	ADJ	JJ	Degree=Pos	5	amod	5:amod	_
5	system	system	NOUN	NN	Number=Sing	2	obj	2:obj	Entity=111)|SpaceAfter=No
6	,	,	PUNCT	,	_	7	punct	7:punct	_
7	built	build	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	2	conj	2:conj:and	Discourse=joint-list_m:57->56:0
8	huge	huge	ADJ	JJ	Degree=Pos	9	amod	9:amod	Entity=(112-place-new-cf5-2-sgl
9	edifices	edifice	NOUN	NNS	Number=Plur	7	obj	7:obj	Entity=112)|SpaceAfter=No
10	,	,	PUNCT	,	_	12	punct	12:punct	_
11	and	and	CCONJ	CC	_	12	cc	12:cc	Discourse=joint-list_m:58->56:0
12	devised	devise	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	2	conj	2:conj:and	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	14:det	Entity=(113-abstract-new-cf6-2-coref
14	calendar	calendar	NOUN	NN	Number=Sing	12	obj	12:obj|17:nsubj	_
15	that	that	PRON	WDT	PronType=Rel	17	nsubj	14:ref	Discourse=elaboration-attribute:59->58:0
16	accurately	accurately	ADV	RB	Degree=Pos	17	advmod	17:advmod	_
17	predicted	predict	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	14	acl:relcl	14:acl:relcl	_
18	eclipses	eclipse	NOUN	NNS	Number=Plur	17	obj	17:obj	Entity=(114-event-new-cf7-1-sgl)
19	and	and	CCONJ	CC	_	20	cc	20:cc	_
20	solstices	solstice	NOUN	NNS	Number=Plur	18	conj	17:obj|18:conj:and	Entity=(115-event-new-cf8-1-sgl)
21	and	and	CCONJ	CC	_	26	cc	26:cc	Discourse=joint-list_m:60->59:0
22	that	that	PRON	WDT	PronType=Rel	26	obj	26:obj	_
23	priest	priest	NOUN	NN	Number=Sing	25	compound	25:compound	Entity=(116-person-new-cf2-3-sgl|SpaceAfter=No|XML=<w>
24	-	-	PUNCT	HYPH	_	23	punct	23:punct	SpaceAfter=No
25	astronomers	astronomer	NOUN	NNS	Number=Plur	26	nsubj	26:nsubj	Entity=116)|XML=</w>
26	used	use	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	17	conj	14:acl:relcl|17:conj:and	_
27	to	to	PART	TO	_	28	mark	28:mark	Discourse=purpose-goal:61->60:0
28	direct	direct	VERB	VB	VerbForm=Inf	26	advcl	26:advcl:to	_
29	the	the	DET	DT	Definite=Def|PronType=Art	30	det	30:det	Entity=(117-event-new-cf3-2,4-sgl
30	planting	planting	NOUN	NN	Number=Sing	28	obj	28:obj	_
31	and	and	CCONJ	CC	_	32	cc	32:cc	_
32	harvesting	harvesting	NOUN	NN	Number=Sing	30	conj	28:obj|30:conj:and	_
33	of	of	ADP	IN	_	34	case	34:case	_
34	crops	crop	NOUN	NNS	Number=Plur	30	nmod	30:nmod:of	Entity=(118-plant-new-cf9-1-sgl)117)113)|SpaceAfter=No
35	.	.	PUNCT	.	_	2	punct	2:punct	_
