Political opposition to a tax can be stiff.Logical formLearned from4 sentences. A stepashin can be stiff.Logical formLearned from4 sentences. (Tariff increases) can be stiff.Logical formLearned from4 sentences. A (protest letter) can be stiff.Logical formLearned from4 sentences. Attacks can be stiff.Logical formLearned from4 sentences. A yeltsin may look stiff.Logical formLearned from4 sentences. An (opposition challenge) can be stiff.Logical formLearned from4 sentences. A rule can be stiff.Logical formLearned from4 sentences. A stride can be stiff.Logical formLearned from4 sentences. (Price hikes) can be stiff.Logical formLearned from4 sentences. A taxation can be stiff.Logical formLearned from4 sentences. An (asking price) can be stiff.Logical formLearned from4 sentences. (Membership fees) can be stiff.Logical formLearned from4 sentences. A public pressure can be stiff.Logical formLearned from4 sentences. Lines can be stiff during reconnection.Logical formLearned from4 sentences.