A male can be during a concert.Logical formLearned from14 sentences. Concerts may feature a male.Logical formLearned from14 sentences. A concert may pertain-to a city.Logical formLearned from14 sentences. A (concert experience) may pertain-to a male.Logical formLearned from14 sentences. A concert may pertain-to a kind.Logical formLearned from14 sentences. A concert may start.Logical formLearned from14 sentences. Admission to a concert can be free.Logical formLearned from14 sentences. Fans can be at a concert.Logical formLearned from14 sentences. A concert can be unannounced.Logical formLearned from14 sentences. A promoter may pertain-to a concert.Logical formLearned from14 sentences. Concerts can be secret.Logical formLearned from14 sentences. A (concert piece) may pertain-to a male.Logical formLearned from14 sentences. Concerts may pertain-to a summer.Logical formLearned from14 sentences. Tickets can be to concert.Logical formLearned from14 sentences. Concerts can be in an area.Logical formLearned from14 sentences.