(Volleyball teams) may stay undefeated.Logical formLearned from5 sentences. Brazilians can be undefeated.Logical formLearned from5 sentences. A person can be undefeated at a male.Logical formLearned from5 sentences. Half-centuries can be undefeated.Logical formLearned from5 sentences. A world-city can be undefeated in some games.Logical formLearned from5 sentences. A regular season can be undefeated.Logical formLearned from5 sentences. Fights can be undefeated.Logical formLearned from5 sentences. Men can be undefeated.Logical formLearned from5 sentences. Blues may remain undefeated.Logical formLearned from5 sentences. A (qualifying campaign) can be undefeated.Logical formLearned from5 sentences. A powerhouse can be undefeated.Logical formLearned from5 sentences. A jazz may remain undefeated.Logical formLearned from5 sentences. Senators may remain undefeated.Logical formLearned from5 sentences. A country can be undefeated in some fights.Logical formLearned from5 sentences. Reds may go undefeated against some team.Logical formLearned from5 sentences.