Shake every 15 minutes.
1	Shake	shake	VERB	VB	Mood=Imp|Person=2|VerbForm=Fin	0	root	0:root	Discourse=joint-sequence_m:105->103:2
2	every	every	DET	DT	PronType=Tot	4	det	4:det	Entity=(95-time-new-cf1-3-sgl
3	15	15	NUM	CD	NumForm=Digit|NumType=Card	4	nummod	4:nummod	_
4	minutes	minute	NOUN	NNS	Number=Plur	1	obl:tmod	1:obl:tmod	Entity=95)|SpaceAfter=No
5	.	.	PUNCT	.	_	1	punct	1:punct	_
