The answer is, surprisingly, agriculture.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	2:det	Discourse=ROOT:15:0|Entity=(30-abstract-new-cf1-2-coref
2	answer	answer	NOUN	NN	Number=Sing	7	nsubj	7:nsubj	Entity=30)
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	7:cop	SpaceAfter=No
4	,	,	PUNCT	,	_	3	punct	3:punct	_
5	surprisingly	surprisingly	ADV	RB	Degree=Pos	7	advmod	7:advmod	SpaceAfter=No
6	,	,	PUNCT	,	_	5	punct	5:punct	_
7	agriculture	agriculture	NOUN	NN	Number=Sing	0	root	0:root	Entity=(30-abstract-giv:act-cf1-1-pred)|SpaceAfter=No
8	.	.	PUNCT	.	_	7	punct	7:punct	_
