A choir can be voluntary.Logical formLearned from15 sentences. A choir can be sacred.Logical formLearned from15 sentences. Choir can be fun.Logical formLearned from15 sentences. Singers can be in a choir.Logical formLearned from15 sentences. A choir can be proverbial.Logical formLearned from15 sentences. A person can be (choir boy).Logical formLearned from15 sentences. A choir can be mixed.Logical formLearned from15 sentences. A female may direct a choir.Logical formLearned from15 sentences. A choir can be at church.Logical formLearned from15 sentences. A wall may pertain-to a choir.Logical formLearned from15 sentences. A choir can be vocal.Logical formLearned from15 sentences. A (choir teacher) may pertain-to a female.Logical formLearned from15 sentences. Performances can be by choirs.Logical formLearned from15 sentences. A choir may perform works.Logical formLearned from15 sentences. A choir may sing songs.Logical formLearned from15 sentences.