Predicate: indexation
Roleset id: indexation.01 , to provide an index, vncls:
Roles:
        Arg0: provider of index
        Arg1: entity indexed
        Arg2: attribute of arg1, index value
Example: autogen1
        the indexation of capital gains after 1991
        Rel : indexation
        Arg1 : of capital gains
        ArgM-TMP : after 1991