A choir can be from a country.Logical formLearned from11 sentences. A person may join choir.Logical formLearned from11 sentences. A performance can be by a choir.Logical formLearned from11 sentences. A choir can be behind a male.Logical formLearned from11 sentences. Work can be with a choir.Logical formLearned from11 sentences. A choir can be at a school.Logical formLearned from11 sentences. Choirs may pertain-to girls.Logical formLearned from11 sentences. A person may conduct a choir.Logical formLearned from11 sentences. Choirs may pertain-to boys.Logical formLearned from11 sentences. A section may pertain-to a choir.Logical formLearned from11 sentences. Choirs may pertain-to an university.Logical formLearned from11 sentences. Choirs may pertain-to women.Logical formLearned from11 sentences. A choir may sing a song.Logical formLearned from11 sentences. Choirs may be serenaded.Logical formLearned from11 sentences. Choirs may perform in a square.Logical formLearned from11 sentences.