Quando si dimise Nixon?
1	Quando	quando	ADV	B	_	3	advmod	3:advmod	_
2	si	si	PRON	PC	Clitic=Yes|Person=3|PronType=Prs	3	expl	3:expl	_
3	dimise	dimettere	VERB	V	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
4	Nixon	Nixon	PROPN	SP	_	3	nsubj	3:nsubj	SpaceAfter=No
5	?	?	PUNCT	FS	_	3	punct	3:punct	_
