A (concert venue) may pertain-to a world-city.Logical formLearned from19 sentences. A concert can be with artists.Logical formLearned from19 sentences. A person may perform at a concert.Logical formLearned from19 sentences. A male may play at a concert.Logical formLearned from19 sentences. An idea can be for a concert.Logical formLearned from19 sentences. A concert can be a chance.Logical formLearned from19 sentences. A fire can be in a (concert hall).Logical formLearned from19 sentences. A (concert tour) can be sold-out.Logical formLearned from19 sentences. A (suicide attack) can be at a (rock concert).Logical formLearned from19 sentences. A singer may give a concert.Logical formLearned from19 sentences. An array can be constituted-of-or-filled-with concerts.Logical formLearned from19 sentences. A concert can be by a group.Logical formLearned from19 sentences. Concert can be with forces.Logical formLearned from19 sentences. A name may pertain-to a concert.Logical formLearned from18 sentences. Part can be in some concerts.Logical formLearned from18 sentences.