Roleset slump.01 Verbnet Class: 1 "decline":

Roles:

Arg0:is an agent possible?


Arg1:thing slumping


Arg2:EXT


Arg3:start point


Arg4:end point

Examples:

person: ns tense: past aspect: ns voice: active form: full


didn't believe me, did you? (-)
In the auto sector, Bayerische Motoren Werke plunged 14.5 marks to 529 marks ($288), Daimler-Benz dropped 10.5 to 700, and Volkswagen slumped 9 to 435.5.
ArgM-LOC:	In the auto sector
Arg1:	Volkswagen
REL:	slumped
Arg2-EXT:	9
Arg4-to:	435.5

person: ns tense: past aspect: ns voice: active form: full


agentive? (-)
John slumped his shoulders.
Arg0:	John
REL:	slumped
Arg1:	his shoulders

I think you can say that.