Roles can be in a country.Logical formLearned from118 sentences. A role may pertain-to a central bank.Logical formLearned from118 sentences. A role may be discussed.Logical formLearned from118 sentences. Roles can be defensive.Logical formLearned from118 sentences. A role can be on a series.Logical formLearned from118 sentences. Experience may play a role.Logical formLearned from118 sentences. A role can be tactical.Logical formLearned from118 sentences. A role may pertain-to an elected-representative.Logical formLearned from118 sentences. A change can be in a role.Logical formLearned from118 sentences. A female may sing a (title role).Logical formLearned from118 sentences. A role can be in cooperation.Logical formLearned from117 sentences. A role can be as a center.Logical formLearned from117 sentences. A technology may play a role.Logical formLearned from117 sentences. A role can be quiet.Logical formLearned from117 sentences. Universities may play a role.Logical formLearned from117 sentences.