Not at all.
1	Not	not	PART	RB	Polarity=Neg	0	root	0:root	Discourse=joint-other_m:106->76:4
2	at	at	ADP	IN	_	3	case	3:case	_
3	all	all	DET	DT	PronType=Tot	1	nmod	1:nmod:at	SpaceAfter=No
4	.	.	PUNCT	.	_	1	punct	1:punct	_
