Roles may undergo an understanding.Logical formLearned from87 sentences. A role may undergo a discovery.Logical formLearned from87 sentences. A role may pertain-to a (vice president).Logical formLearned from87 sentences. Roles can be constituted-of-or-filled-with responsibility.Logical formLearned from87 sentences. A role may pertain-to a national-agency.Logical formLearned from87 sentences. A person can be aware of a role.Logical formLearned from87 sentences. A role can be in peace.Logical formLearned from87 sentences. A female may sing a role of a female.Logical formLearned from87 sentences. A male may retain a role.Logical formLearned from87 sentences. A role can be in a performance.Logical formLearned from87 sentences. A role may undergo a portrayal.Logical formLearned from87 sentences. A role can be in a revolution.Logical formLearned from87 sentences. A role can be sacred.Logical formLearned from87 sentences. A role can be as ambassador.Logical formLearned from86 sentences. Roles can be subordinate.Logical formLearned from86 sentences.