A line can be tough.Logical formLearned from4 247 sentences. A sell can be tough.Logical formLearned from3 918 sentences. A fight can be tough.Logical formLearned from3 761 sentences. A task can be tough.Logical formLearned from3 709 sentences. Economic times can be tough.Logical formLearned from3 679 sentences. A year can be tough.Logical formLearned from3 476 sentences. Conditions can be tough.Logical formLearned from3 450 sentences. An action can be tough.Logical formLearned from3 348 sentences. A person can be tough.Logical formLearned from3 296 sentences. A challenge can be tough.Logical formLearned from3 184 sentences. Issues can be tough.Logical formLearned from3 149 sentences. A battle can be tough.Logical formLearned from2 997 sentences. A call can be tough.Logical formLearned from2 995 sentences. Times can be tough.Logical formLearned from2 987 sentences. Negotiations can be tough.Logical formLearned from2 946 sentences.