Predicate: operate
Roleset id: operate.01 , cf work, vncls: 45.4
Roles:
        Arg0: agent, operator
        Arg1: thing operated
        Arg2: explicit patient (thing operated on)
        Arg3: explicit role
        Arg4: explicit instrument (with or on, ususally)
Example: agentive
        Esso Australia operates the field.
       
        Arg0 : Esso Australia
        Rel : operates
        Arg1 : the field
Example: with manner
        The Czech dam can't be operated solely at peak periods.
       
        Arg1 : The Czech dam
        Rel : can't be operated
        ArgM-MNR : solely
        ArgM-TMP : at peak periods
Example: with patient
        Japanese salvage firms operated on the hulks of warships.
       
        Arg0 : Japanese salvage firms
        Rel : operated
        Arg2 : on the hulks of warships
Example: with substrate
        The IRS operates on a computer system designed in 1961.
       
        Arg0 : The IRS
        Rel : operates
        Arg4 : on a computer system designed in 1961
Example: with locative
        The classroom itself operated on the periphery of this awful system.
       
        Arg1 : The classroom itself
        Rel : operated
        ArgM-LOC : on the periphery of this awful system
Example: ergative
        The Texas Oil & Gas division operates in the red.
       
        Arg1 : The Texas Oil & Gas division
        Rel : operates
        ArgM-MNR : in the red
Example: ergative and role
        The Tower family operates as a central hub in a network of computers
       
        Arg1 : The Tower family
        Rel : operates
        Arg3 : as a central hub
        ArgM-LOC : in a network of computers