The eighteen steps of the dance are done rhythmically.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	3:det	_
2	eighteen	eighteen	NUM	CD	NumForm=Word|NumType=Card	3	nummod	3:nummod	_
3	steps	step	NOUN	NNS	Number=Plur	8	nsubj:pass	8:nsubj:pass	_
4	of	of	ADP	IN	_	6	case	6:case	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	6:det	_
6	dance	dance	NOUN	NN	Number=Sing	3	nmod	3:nmod:of	_
7	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	aux:pass	8:aux:pass	_
8	done	do	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
9	rhythmically	rhythmically	ADV	RB	_	8	advmod	8:advmod	SpaceAfter=No
10	.	.	PUNCT	.	_	8	punct	8:punct	_
