A role may pertain-to music.Logical formLearned from28 sentences. Roles may pertain-to parents.Logical formLearned from28 sentences. A role can be in movies.Logical formLearned from28 sentences. A role can be in societies.Logical formLearned from28 sentences. Persons may have some roles.Logical formLearned from28 sentences. A person may take_on roles.Logical formLearned from28 sentences. Nurses may have a role.Logical formLearned from28 sentences. Roles can be in a career.Logical formLearned from28 sentences. Mentors may play a role.Logical formLearned from28 sentences. A role can be in a (space program).Logical formLearned from28 sentences. Cultural differences may play a role.Logical formLearned from28 sentences. A role can be in enabling (convergence markets).Logical formLearned from28 sentences. A return can be to a role.Logical formLearned from28 sentences. A male may envision a role.Logical formLearned from28 sentences. Authorities may have a role.Logical formLearned from28 sentences.