A duo may consist of a female.Logical formLearned from15 sentences. A member can be constituted-of-or-filled-with duo.Logical formLearned from15 sentences. A duo can be urban.Logical formLearned from15 sentences. A duo may release an album.Logical formLearned from15 sentences. A duo may be considered.Logical formLearned from15 sentences. A duo may walk.Logical formLearned from15 sentences. An ear may pertain-to duo.Logical formLearned from15 sentences. Duo may be whispered.Logical formLearned from15 sentences. Fingers may pertain-to duo.Logical formLearned from15 sentences. A dynamic duo may play.Logical formLearned from15 sentences. Legs may pertain-to duo.Logical formLearned from15 sentences. Tracks may pertain-to a duo.Logical formLearned from15 sentences. A duo may regard claims.Logical formLearned from15 sentences. Control may pertain-to a dynamic duo.Logical formLearned from15 sentences. A (swimming duo) can be synchronized.Logical formLearned from15 sentences.