A choir may be used.Logical formLearned from6 sentences. A choir can be in a church.Logical formLearned from6 sentences. Leadership may pertain-to a choir.Logical formLearned from6 sentences. A (concert choir) may pertain-to a world-city.Logical formLearned from6 sentences. A (school choir) may pertain-to a weekday.Logical formLearned from6 sentences. A person can be in a (choir room).Logical formLearned from6 sentences. A male may participate in a choir.Logical formLearned from6 sentences. A choir may perform concerts.Logical formLearned from6 sentences. Choirs can be orchestral.Logical formLearned from6 sentences. Music can be from a choir.Logical formLearned from6 sentences. Members may pertain-to a (gospel choir).Logical formLearned from6 sentences. A choir may pertain-to a father.Logical formLearned from6 sentences. A choir may go on tour.Logical formLearned from6 sentences. A (choir competition) may pertain-to an international-chamber.Logical formLearned from6 sentences. A choir may be placed.Logical formLearned from6 sentences.