A (choir director) can be assistant.Logical formLearned from7 sentences. A choir may pertain-to a cathedral-chamber.Logical formLearned from7 sentences. A choir can be ruined.Logical formLearned from7 sentences. A (school choir) may pertain-to persons.Logical formLearned from7 sentences. A (choir teacher) may pertain-to persons.Logical formLearned from7 sentences. A choir may drift on the (night air).Logical formLearned from7 sentences. A choir can be in a US-city.Logical formLearned from7 sentences. A choir may continue.Logical formLearned from7 sentences. A person may direct a (tot choir).Logical formLearned from7 sentences. A choir may be rebuilted.Logical formLearned from7 sentences. Carols can be for choirs.Logical formLearned from7 sentences. A choir may sing a hymn.Logical formLearned from7 sentences. A choir can be constituted-of-or-filled-with (school children).Logical formLearned from7 sentences. A choir can be harmonious.Logical formLearned from7 sentences. A female may found a choir.Logical formLearned from7 sentences.