A person may be invited into a (choir room).Logical formLearned from4 sentences. A choir can be at a church.Logical formLearned from4 sentences. A person may sing in choirs.Logical formLearned from4 sentences. A choir can be wonderful.Logical formLearned from4 sentences. A choir can be staunch.Logical formLearned from4 sentences. A singing can be by a choir.Logical formLearned from4 sentences. Persons can be members of a choir.Logical formLearned from4 sentences. A father may sing in a choir.Logical formLearned from4 sentences. Some choirs can be black.Logical formLearned from4 sentences. A choir may make some (concert tours).Logical formLearned from4 sentences. A choir may be reached by a (spiral staircase).Logical formLearned from4 sentences. A person may be swayed to a choir.Logical formLearned from4 sentences. A song can be from a choir.Logical formLearned from4 sentences. A person may say of a choir.Logical formLearned from4 sentences. Tourists may hear a choir.Logical formLearned from4 sentences.