A choir may pertain-to a US-president.Logical formLearned from12 sentences. A choir can be magnificent.Logical formLearned from12 sentences. A choir can be under a male.Logical formLearned from12 sentences. A female may sing in a (school choir).Logical formLearned from12 sentences. A (youth choir) may pertain-to a church.Logical formLearned from12 sentences. A male may become a member of a choir.Logical formLearned from12 sentences. A choir may pertain-to a school-chamber.Logical formLearned from12 sentences. A female may sing in a (church choir).Logical formLearned from12 sentences. A choir may celebrate an anniversary.Logical formLearned from12 sentences. A choir may pertain-to the world.Logical formLearned from12 sentences. A choir can be harmonic.Logical formLearned from12 sentences. A choir may sing a song.Logical formLearned from12 sentences. A (gospel choir) may sing.Logical formLearned from12 sentences. A choir can be wailful.Logical formLearned from12 sentences. (Choir members) may pertain-to a person.Logical formLearned from12 sentences.