Roleset avert.01 Verbnet Class: NONE "stop, prevent, move away from, avoid":

Roles:

Arg0:stopper, Agent


Arg1:Theme (action or object being prevented)


Arg2:thing being avoided


Arg3:instrument

Examples:

just transitive (-)
Subcontractors will be offered a settlement and a swift transition to new management is expected *trace* to avert an exodus of skilled workers from Waertsilae Marine's two big shipyards, government officials said.
Arg0:	*trace* -> a swift transition to new management
REL:	avert
Arg1:	an exodus of skilled workers from Waertsilae Marine's two big shipyards




with arg2 (-)
John averted his gaze from Mary's overwhelming beauty.
Arg0:	John
REL:	averted
Arg1:	his gaze
Arg2-from:	Mary's overwhelming beauty

I can say this, at least.