But who is turning the wheel?
1	But	but	CCONJ	_	_	4	cc	_	_
2	who	who	PRON	WH-NOM	PronType=Int	4	nsubj	_	_
3	is	be	AUX	PRES-AUX	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
4	turning	turn	VERB	ING	Tense=Pres|VerbForm=Part	0	root	_	_
5	the	the	DET	DEF	Definite=Def|PronType=Art	6	det	_	_
6	wheel	wheel	NOUN	SG-NOM	Number=Sing	4	obj	_	SpaceAfter=No
7	?	?	PUNCT	QuestionMark	_	4	punct	_	_
