Certainties can be rigid.Logical formLearned from6 sentences. Tanks can be rigid.Logical formLearned from6 sentences. A monopoly can be rigid.Logical formLearned from6 sentences. A foot can be rigid.Logical formLearned from6 sentences. A gel can be rigid.Logical formLearned from6 sentences. A paper can be rigid.Logical formLearned from6 sentences. Functions can be rigid.Logical formLearned from6 sentences. Features can be rigid.Logical formLearned from6 sentences. An infrastructure can be rigid.Logical formLearned from6 sentences. A form can be rigid.Logical formLearned from6 sentences. Frames can be rigid.Logical formLearned from6 sentences. Sanctions can be rigid.Logical formLearned from6 sentences. Curriculums can be rigid.Logical formLearned from6 sentences. A (law enforcement) can be rigid.Logical formLearned from6 sentences. Inspections can be rigid.Logical formLearned from6 sentences.