some.m:010: In `:- pred' declaration:
some.m:010:   in first argument of `some':
some.m:010:   expected a list of variables, got `junk'.
some.m:017: In first argument of `some': expected a list of variables and/or
some.m:017:   state variables, got `junk'.
some.m:019: In first argument of `some': expected a list of variables and/or
some.m:019:   state variables, got `junk'.