Americans can be undefeated.Logical formLearned from7 sentences. A co-host can be undefeated.Logical formLearned from7 sentences. A world-city may go undefeated.Logical formLearned from7 sentences. Yokozuna may remain undefeated.Logical formLearned from7 sentences. A (run end) can be undefeated.Logical formLearned from7 sentences. Reds can be undefeated.Logical formLearned from7 sentences. A (regular season) can be undefeated.Logical formLearned from7 sentences. A side can be undefeated.Logical formLearned from7 sentences. A weekend can be undefeated.Logical formLearned from6 sentences. (Conference champions) can be undefeated.Logical formLearned from6 sentences. A male may lead a team to an undefeated season.Logical formLearned from6 sentences. A (state championship season) can be undefeated.Logical formLearned from6 sentences. A (volleyball team) may go undefeated.Logical formLearned from6 sentences. An opponent can be undefeated.Logical formLearned from6 sentences. A score can be undefeated.Logical formLearned from6 sentences.