A choir may pertain-to a lund-chamber.Logical formLearned from5 sentences. A male may become (choir director).Logical formLearned from5 sentences. A choir can be behind an altar.Logical formLearned from5 sentences. Room can be for a choir.Logical formLearned from5 sentences. A female may form a choir.Logical formLearned from5 sentences. A setting can be for choir.Logical formLearned from5 sentences. A male may call a choir.Logical formLearned from5 sentences. A choir may pertain-to a seminary.Logical formLearned from5 sentences. A female may be sung in a choir.Logical formLearned from5 sentences. An aim may pertain-to a choir.Logical formLearned from5 sentences. A (chamber choir) may be based in a world-city.Logical formLearned from5 sentences. A choir may be led.Logical formLearned from5 sentences. A choir can be deaf.Logical formLearned from5 sentences. Choirs may undergo a festival.Logical formLearned from5 sentences. A member can be constituted-of-or-filled-with some choirs.Logical formLearned from5 sentences.