A role can be for a person.Logical formLearned from24 sentences. Roles can be available.Logical formLearned from24 sentences. A role may pertain-to a channel.Logical formLearned from24 sentences. Roles can be in selling securities.Logical formLearned from24 sentences. A role can be in fighting obesity.Logical formLearned from24 sentences. A role can be in programming.Logical formLearned from24 sentences. Tea may play a role.Logical formLearned from24 sentences. A role can be as a character.Logical formLearned from24 sentences. A male may play a role of a man.Logical formLearned from24 sentences. A role may be played by a show-biz-star.Logical formLearned from24 sentences. A role can be on a male.Logical formLearned from24 sentences. Testing may play a role.Logical formLearned from24 sentences. A person may serve in roles.Logical formLearned from24 sentences. A role can be in economies.Logical formLearned from24 sentences. A person may remain in a role.Logical formLearned from24 sentences.