Predicate: cultivation
Roleset id: cultivation.01 , to grow, develop, nurture, vncls: 9.7-1
Roles:
        Arg0: grower, developer, agent
        Arg1: thing prospering, theme
Example: autogen1
        an increase of land under cultivation after the drought
        ArgSupport : increase of under
        Arg1 : land
        Rel : cultivation