Predicate: ownership
Roleset id: ownership.01 , nom/share, vncls:
Roles:
        Arg0: owner
        Arg1: possession/quantified
        Arg2: value
Example: autogen1
        its reduced ownership in the Lyondell Petrochemical Co.
        Arg0 : its
        Arg2 : reduced
        Rel : ownership
        Arg1 : in the Lyondell Petrochemical Co.
Example: autogen2
        50-50 ownership of the planned venture
        Arg2 : 50-50
        Rel : ownership
        Arg1 : of the planned venture