unresolved_overloading.m:025: Error: unresolved predicate overloading, matched
unresolved_overloading.m:025:   predicate
unresolved_overloading.m:025:   `unresolved_overloading.sub.loud_and_annoying'/3
unresolved_overloading.m:025:   and predicate
unresolved_overloading.m:025:   `unresolved_overloading.loud_and_annoying'/3.
unresolved_overloading.m:025:   You need to use an explicit module qualifier.
Uncaught Mercury exception:
Software Error: predicate `hlds.pred_table.find_matching_pred_id'/10: Unexpected: unresolvable predicate overloading