Predicate: so
so: created by Archna Bhatia
Roleset id: so.01 , to sleep
so.01: intransitive
Roles:
        Arg1: the one doing the action of sleeping
Example: intransitive unaccusative
        part of a sent in DSDS2
        मोहन सो गया
        mohana so gayA
        Arg1: मोहन (drel: k1)
        Rel: सो गया