Predicate: doubling

Roleset id: doubling.01 , rise twofold, vncls: 45.4

Roles:

        Arg0: causer of increase
        Arg1: thing increasing, rising
        Arg2: ext, always unmentioned because it's 2x
        Arg3: start point
        Arg4: end point

Example: autogen1

        a doubling of its daily regular ridership to 300,000

        Rel : doubling
        Arg1 : of its daily regular ridership
        Arg4 : to 300,000

Example: autogen2

        a doubling of its $ 90 billion capital

        Rel : doubling
        Arg1 : of its $ 90 billion capital