A price may pertain-to duo.Logical formLearned from6 sentences. Duos may pertain-to persons.Logical formLearned from6 sentences. A (beach volleyball duo) may pertain-to a country.Logical formLearned from6 sentences. A picture may show a duo.Logical formLearned from6 sentences. Duo may be set.Logical formLearned from6 sentences. A duo may achieve success.Logical formLearned from6 sentences. An (adventure duo) can be famous.Logical formLearned from6 sentences. A duo can be fine.Logical formLearned from6 sentences. A duo can be players.Logical formLearned from6 sentences. A duo may pertain-to a (year category).Logical formLearned from6 sentences. Lives may pertain-to a duo.Logical formLearned from6 sentences. A song can be by a duo.Logical formLearned from6 sentences. A female can be half of a duo.Logical formLearned from6 sentences. A duo can be fictional.Logical formLearned from6 sentences. A duo can be constituted-of-or-filled-with towers.Logical formLearned from6 sentences.