(Visa regulations) can be rigid.Logical formLearned from4 sentences. A caste-system can be rigid.Logical formLearned from4 sentences. A (currency control system) can be rigid.Logical formLearned from4 sentences. A caste can be rigid.Logical formLearned from4 sentences. A (government supervision) can be rigid.Logical formLearned from4 sentences. A currency can be rigid.Logical formLearned from4 sentences. A hiring can be rigid.Logical formLearned from4 sentences. A (downtown cordon) can be rigid.Logical formLearned from4 sentences. A (message discipline) can be rigid.Logical formLearned from4 sentences. Enforcements can be rigid.Logical formLearned from4 sentences. Internal controls can be rigid.Logical formLearned from4 sentences. A defense of a segment can be rigid.Logical formLearned from4 sentences. Balloons can be rigid.Logical formLearned from4 sentences. A (studio system) can be rigid.Logical formLearned from4 sentences. Regulations can be rigid.Logical formLearned from4 sentences.