qualified_cons_id2.m:015: In mode declarations for predicate
qualified_cons_id2.m:015:   `qualified_cons_id2.test/2':
qualified_cons_id2.m:015:   error: duplicate mode declaration.
qualified_cons_id2.m:016:   Here is the conflicting mode declaration.
qualified_cons_id2.m:015: In `test(in(bound(qualified_cons_id2.yes(ground))),
qualified_cons_id2.m:015:   out)':
qualified_cons_id2.m:015:   error: determinism declaration not satisfied.
qualified_cons_id2.m:015:   Declared `det', inferred `failure'.