A demand can be for a release of some prisoners.Logical formLearned from19 sentences. A prisoner may undergo a fate.Logical formLearned from19 sentences. Prisoners can be desperate.Logical formLearned from19 sentences. Prisoners can be able-bodied.Logical formLearned from19 sentences. A prisoner may pertain-to a success.Logical formLearned from19 sentences. Prisoners can be persons.Logical formLearned from19 sentences. A prisoner can be in a cell.Logical formLearned from19 sentences. A petition may demand a release of political prisoners.Logical formLearned from19 sentences. Interviews can be with political prisoners.Logical formLearned from19 sentences. Political prisoners can be soviet.Logical formLearned from19 sentences. Prisoners can be tortured to death.Logical formLearned from19 sentences. Research may involve prisoners.Logical formLearned from19 sentences. A prisoner may undergo a capture.Logical formLearned from19 sentences. A political-leader can be a prisoner.Logical formLearned from19 sentences. Prisoners can be bedraggled.Logical formLearned from19 sentences.