A portion can be tough.Logical formLearned from11 sentences. Parents can be tough.Logical formLearned from11 sentences. A limit can be tough.Logical formLearned from11 sentences. (Government oversight) can be tough.Logical formLearned from11 sentences. (Spending plans) can be tough.Logical formLearned from11 sentences. Losses can be tough.Logical formLearned from11 sentences. A coalition may talk tough to an international-political-entity.Logical formLearned from11 sentences. A (holiday shopping season) can be tough.Logical formLearned from11 sentences. Generals can be tough.Logical formLearned from11 sentences. A (car market) can be tough.Logical formLearned from11 sentences. A fiscal discipline can be tough.Logical formLearned from11 sentences. Economic issues can be tough.Logical formLearned from11 sentences. A worker can be tough.Logical formLearned from11 sentences. Inquiries can be tough.Logical formLearned from11 sentences. A response to (shooting attacks) can be tough.Logical formLearned from11 sentences.