it is difficult to detect the benefits of this innovation in GDP statistics.
1	it	it	PRON	PE	Number=Sing|Person=3|PronType=Prs	3	expl	_	_
2	is	be	AUX	V	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	difficult	difficult	ADJ	A	Degree=Pos	0	root	_	_
4	to	to	PART	PART	_	5	mark	_	_
5	detect	detect	VERB	V	VerbForm=Inf	3	csubj	_	_
6	the	the	DET	RD	Definite=Def|PronType=Art	7	det	_	_
7	benefits	benefit	NOUN	S	Number=Plur	5	obj	_	_
8	of	of	ADP	E	_	10	case	_	_
9	this	this	DET	DD	Number=Sing|PronType=Dem	10	det	_	_
10	innovation	innovation	NOUN	S	Number=Sing	7	nmod	_	_
11	in	in	ADP	E	_	13	case	_	_
12	GDP	GDP	PROPN	SP	_	13	nmod	_	_
13	statistics	statistics	NOUN	S	Number=Sing	5	obl	_	SpaceAfter=No
14	.	.	PUNCT	FS	_	3	punct	_	_
