A wood can be rigid.Logical formLearned from6 sentences. A criticism can be rigid.Logical formLearned from6 sentences. A cover can be rigid.Logical formLearned from6 sentences. Minds can be rigid.Logical formLearned from6 sentences. Brackets can be rigid.Logical formLearned from6 sentences. Thinkers can be rigid.Logical formLearned from6 sentences. A role can be rigid.Logical formLearned from6 sentences. An officer can be rigid.Logical formLearned from6 sentences. A guide can be rigid.Logical formLearned from6 sentences. A scene can be rigid.Logical formLearned from6 sentences. (Union work rules) can be rigid.Logical formLearned from6 sentences. A polystyrene can be rigid.Logical formLearned from6 sentences. A liberal can be rigid.Logical formLearned from6 sentences. Maxims can be rigid.Logical formLearned from6 sentences. Precepts can be rigid.Logical formLearned from6 sentences.