Roleset toughen.01 Verbnet Class: 1 "make/be tough":

Roles:

Arg0:cause of toughness, agent


Arg1:thing getting tough

Examples:

person: ns tense: ns aspect: ns voice: ns form: infinitive


agentive (-)
The White House has likewise avoided any involvement in Florida's recent special legislative session on abortion, which anti-abortion forces had regarded as a key test of their ability to get state lawmakers to toughen abortion restrictions.
Arg0:	state lawmakers
REL:	toughen
Arg1:	abortion restrictions

could occur as ergative?