Roleset halve.01 Verbnet Class: NONE "cut in half":

Roles:

Arg0:cutter


Arg1:thing cut in half

Examples:

person: ns tense: ns aspect: perfect voice: active form: participle


basic pattern (-)
Among them are the shipbuilders, which *trace* had halved their shipyard work forces to cut costs during a prolonged slump in demand but now are capturing an increased share of the strengthening global market.
Arg0:	*trace* -> which -> the shipbuilders
REL:	halved
Arg1:	their shipyard work forces
ArgM-PNC:	to cut costs
ArgM-TMP:	during a prolonged slump in demand

Perhaps an instrument argument? Probably not.