A horse can be undefeated.Logical formLearned from10 sentences. A 2-year-old can be undefeated.Logical formLearned from10 sentences. Some teams may finish undefeated.Logical formLearned from10 sentences. A favorite can be undefeated.Logical formLearned from10 sentences. A male may finish undefeated.Logical formLearned from10 sentences. A person may retire undefeated.Logical formLearned from10 sentences. Leaders can be undefeated.Logical formLearned from10 sentences. A side can be undefeated.Logical formLearned from9 sentences. A game can be undefeated.Logical formLearned from9 sentences. A championship can be undefeated.Logical formLearned from9 sentences. Persons may remain undefeated.Logical formLearned from9 sentences. Heavyweights can be undefeated.Logical formLearned from9 sentences. Squads can be undefeated.Logical formLearned from9 sentences. Jets can be undefeated.Logical formLearned from9 sentences. Everyone can be undefeated.Logical formLearned from9 sentences.