A person can be at a (rock concert).Logical formLearned from28 sentences. Yesterday can be a concert.Logical formLearned from28 sentences. A concert can be combined.Logical formLearned from28 sentences. A person may attend some concerts.Logical formLearned from28 sentences. Tickets can be to some concerts.Logical formLearned from28 sentences. A concert may pertain-to a tour.Logical formLearned from28 sentences. Concerts can be a success.Logical formLearned from28 sentences. Concerts may crowd a calendar.Logical formLearned from28 sentences. Concerts may start.Logical formLearned from28 sentences. Concerts can be global.Logical formLearned from28 sentences. (Rock concerts) may pertain-to a male.Logical formLearned from28 sentences. A (music concert) may pertain-to a male.Logical formLearned from27 sentences. A band may perform some concerts.Logical formLearned from27 sentences. A concert can be by a male.Logical formLearned from27 sentences. A day can be after a concert.Logical formLearned from27 sentences.