Duo may play.Logical formLearned from3 sentences. A duo may appear at a school.Logical formLearned from3 sentences. A collection of tees may be designed by some pairs of duos.Logical formLearned from3 sentences. A duo may take samples.Logical formLearned from3 sentences. A duo may make an oral contract.Logical formLearned from3 sentences. A duo may welsh on an oral contract.Logical formLearned from3 sentences. A duo may be accompanied by mothers.Logical formLearned from3 sentences. A singer may be knowned as a half of a duo.Logical formLearned from3 sentences. A (receiving duo) can be in a female.Logical formLearned from3 sentences. Duo may drink.Logical formLearned from3 sentences. A person may miss duo.Logical formLearned from3 sentences. A sound-scape may be created by a duo.Logical formLearned from3 sentences. A duo of drummer may make a racket.Logical formLearned from3 sentences. (Back duos) can be in a league.Logical formLearned from3 sentences. A demeanor may pertain-to a duo.Logical formLearned from3 sentences.