A penance can be rigid.Logical formLearned from4 sentences. A self-denial can be rigid.Logical formLearned from4 sentences. A latter can be rigid.Logical formLearned from4 sentences. A decision-making can be rigid.Logical formLearned from4 sentences. A statement can be rigid.Logical formLearned from4 sentences. A bureaucrat can be rigid.Logical formLearned from4 sentences. A hostility can be rigid.Logical formLearned from4 sentences. Limits can be rigid.Logical formLearned from4 sentences. Skin can be rigid.Logical formLearned from4 sentences. A public-school system can be rigid.Logical formLearned from4 sentences. A review can be rigid.Logical formLearned from4 sentences. A border can be rigid.Logical formLearned from4 sentences. (Work conditions) can be rigid.Logical formLearned from4 sentences. Sideboards can be rigid.Logical formLearned from4 sentences. Authorities can be rigid.Logical formLearned from4 sentences.