Stefano lo vide impallidire.
1	Stefano	Stefano	PROPN	SP	_	3	nsubj	_	_
2	lo	lo	PRON	PC	Clitic=Yes|Gender=Masc|Number=Sing|Person=3|PronType=Prs	3	obj	_	_
3	vide	vedere	VERB	V	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	impallidire	impallidire	VERB	V	VerbForm=Inf	3	ccomp	_	SpaceAfter=No
5	.	.	PUNCT	FS	_	3	punct	_	_
