A person may acknowledge a role.Logical formLearned from54 sentences. A role can be in (peace negotiations).Logical formLearned from54 sentences. Estrogen may play a role.Logical formLearned from54 sentences. A role can be in a demise.Logical formLearned from54 sentences. Islamic extremists may be angered by a role.Logical formLearned from54 sentences. Persons may forget a role.Logical formLearned from54 sentences. Absentia can be for a role.Logical formLearned from54 sentences. A role can be in promotting cooperation.Logical formLearned from54 sentences. A role may be underestimated.Logical formLearned from53 sentences. A male may win a role.Logical formLearned from53 sentences. Engineers may play a role.Logical formLearned from53 sentences. A role of a male may be played by a male.Logical formLearned from53 sentences. A role can be as chief executive.Logical formLearned from53 sentences. A role may be revealed.Logical formLearned from53 sentences. Roles can be in a male.Logical formLearned from53 sentences.