Europe, more than any other region, is the key.
1	Europe	Europe	PROPN	NNP	Number=Sing	11	nsubj	11:nsubj	SpaceAfter=No
2	,	,	PUNCT	,	_	11	punct	11:punct	_
3	more	more	ADV	RBR	Degree=Cmp	11	advmod	11:advmod	_
4	than	than	ADP	IN	_	7	case	7:case	_
5	any	any	DET	DT	_	7	det	7:det	_
6	other	other	ADJ	JJ	Degree=Pos	7	amod	7:amod	_
7	region	region	NOUN	NN	Number=Sing	3	obl	3:obl:than	SpaceAfter=No
8	,	,	PUNCT	,	_	11	punct	11:punct	_
9	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	cop	11:cop	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	11:det	_
11	key	key	NOUN	NN	Number=Sing	0	root	0:root	SpaceAfter=No
12	.	.	PUNCT	.	_	11	punct	11:punct	_
