NORTH MANKATO — Defeat is a tough thing to accept. But the BOLD softball team was riding high after pushing the defending Class A champs to the limit. The fifth-seeded Warriors led the top-seeded Rebels 3-1 after the top of the fifth inning thanks to a two-run home run by Piper O’Neill. USC responded with a four-run bottom of the fifth that held for a 5-3 victory in the Class A state semifinals Wednesday afternoon at Caswell Park. “I’m feeling r…