The U.S. and Europe are constantly improving their defense against the last murder, not the next one.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	2:det	_
2	U.S.	U.S.	PROPN	NNP	Number=Sing	7	nsubj	7:nsubj	_
3	and	and	CCONJ	CC	_	4	cc	4:cc	_
4	Europe	Europe	PROPN	NNP	Number=Sing	2	conj	2:conj:and|7:nsubj	_
5	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	aux	7:aux	_
6	constantly	constantly	ADV	RB	_	7	advmod	7:advmod	_
7	improving	improve	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	0:root	_
8	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	9	nmod:poss	9:nmod:poss	_
9	defense	defense	NOUN	NN	Number=Sing	7	obj	7:obj	_
10	against	against	ADP	IN	_	13	case	13:case	_
11	the	the	DET	DT	Definite=Def|PronType=Art	13	det	13:det	_
12	last	last	ADJ	JJ	Degree=Pos	13	amod	13:amod	_
13	murder	murder	NOUN	NN	Number=Sing	9	nmod	9:nmod:against	SpaceAfter=No
14	,	,	PUNCT	,	_	13	punct	13:punct	_
15	not	not	PART	RB	_	18	advmod	18:advmod	_
16	the	the	DET	DT	Definite=Def|PronType=Art	18	det	18:det	_
17	next	next	ADJ	JJ	Degree=Pos	18	amod	18:amod	_
18	one	one	NOUN	NN	Number=Sing	13	appos	13:appos	SpaceAfter=No
19	.	.	PUNCT	.	_	7	punct	7:punct	_
