Roleset scotch.01 Verbnet Class: NONE "ruin, rule out":

Roles:

Arg0:ruiner, ruler out


Arg1:ruined, ruled out

Examples:

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


the one example (-)
The head of the DEA at the time, John Ingersoll, scotched the assassination plan.
Arg0:	The head of the DEA at the time, John Ingersoll,
REL:	scotched
Arg1:	the assassination plan

Sad to say, this is related to the ethnicity.