Streaks can be undefeated.Logical formLearned from16 sentences. An opponent can be undefeated.Logical formLearned from16 sentences. A state can be undefeated.Logical formLearned from16 sentences. A pitcher can be undefeated.Logical formLearned from16 sentences. A person can be undefeated in some fights.Logical formLearned from16 sentences. A challenger can be undefeated.Logical formLearned from16 sentences. A (championship season) can be undefeated.Logical formLearned from15 sentences. An undefeated season can be in (school history).Logical formLearned from15 sentences. Teams may go undefeated.Logical formLearned from15 sentences. A century can be undefeated.Logical formLearned from15 sentences. (Football teams) can be undefeated.Logical formLearned from15 sentences. A tour can be undefeated.Logical formLearned from15 sentences. A partnership can be undefeated.Logical formLearned from15 sentences. Dolphins can be undefeated.Logical formLearned from14 sentences. Champs can be undefeated.Logical formLearned from14 sentences.