A (service game) can be tough.Logical formLearned from6 sentences. A (wrist problem) can be tough.Logical formLearned from6 sentences. A record can be tough.Logical formLearned from6 sentences. The future may look tough.Logical formLearned from6 sentences. A cracker can be tough.Logical formLearned from6 sentences. A national-security strategy can be tough.Logical formLearned from6 sentences. A (press conference) can be tough.Logical formLearned from6 sentences. A (hockey game) can be tough.Logical formLearned from6 sentences. Golf can be tough.Logical formLearned from6 sentences. A withdrawal can be tough.Logical formLearned from6 sentences. An (opposition challenge) can be tough.Logical formLearned from6 sentences. A threshold can be tough on a (fledgling opposition).Logical formLearned from6 sentences. A defensive line can be tough.Logical formLearned from6 sentences. A world-city may get tough.Logical formLearned from6 sentences. A (poll challenge) can be tough.Logical formLearned from6 sentences.