Predicate: sinking
Roleset id: sinking.01 , cause to) go down, esp into water, vncls: 45.4
Roles:
        Arg0: causer of sinking
        Arg1: thing sinking
        Arg2: ext
        Arg3: start point
        Arg4: end point
        Arg5: instrument
Example: autogen1
        The company 's 7.9 % sinking fund debentures
        Rel : sinking
        Arg1 : debentures
Example: autogen2
        the city 's slow sinking into its lagoon
        Arg1 : the city 's
        Rel : sinking
        Arg4 : into its lagoon