Improving the energy efficiency of products contributes to the security of the energy supply, which is a precondition of sound economic activity and therefore of sustainable development.
1	Improving	improve	VERB	V	VerbForm=Ger	7	csubj	_	_
2	the	the	DET	RD	Definite=Def|PronType=Art	4	det	_	_
3	energy	energy	NOUN	S	Number=Sing	4	nmod	_	_
4	efficiency	efficiency	NOUN	S	Number=Sing	1	obj	_	_
5	of	of	ADP	E	_	6	case	_	_
6	products	product	NOUN	S	Number=Plur	4	nmod	_	_
7	contributes	contribute	VERB	V	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	to	to	ADP	E	_	10	case	_	_
9	the	the	DET	RD	Definite=Def|PronType=Art	10	det	_	_
10	security	security	NOUN	S	Number=Sing	7	obl	_	_
11	of	of	ADP	E	_	14	case	_	_
12	the	the	DET	RD	Definite=Def|PronType=Art	14	det	_	_
13	energy	energy	NOUN	S	Number=Sing	14	nmod	_	_
14	supply	supply	NOUN	S	Number=Sing	10	nmod	_	SpaceAfter=No
15	,	,	PUNCT	FF	_	14	punct	_	_
16	which	which	PRON	PR	PronType=Rel	19	nsubj	_	_
17	is	be	AUX	V	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	19	cop	_	_
18	a	a	DET	RI	Definite=Ind|Number=Sing|PronType=Art	19	det	_	_
19	precondition	precondition	NOUN	S	Number=Sing	14	acl:relcl	_	_
20	of	of	ADP	E	_	23	case	_	_
21	sound	sound	ADJ	A	Degree=Pos	23	amod	_	_
22	economic	economic	ADJ	A	Degree=Pos	23	amod	_	_
23	activity	activity	NOUN	S	Number=Sing	19	nmod	_	_
24	and	and	CCONJ	CC	_	28	cc	_	_
25	therefore	therefore	ADV	B	_	28	advmod	_	_
26	of	of	ADP	E	_	28	case	_	_
27	sustainable	sustainable	ADJ	A	Degree=Pos	28	amod	_	_
28	development	development	NOUN	S	Number=Sing	23	conj	_	SpaceAfter=No
29	.	.	PUNCT	FS	_	7	punct	_	_
