A time can be tough.Logical formLearned from16 155 sentences. Times can be tough.Logical formLearned from14 410 sentences. Questions can be tough.Logical formLearned from9 522 sentences. Decisions can be tough.Logical formLearned from7 852 sentences. A stance can be tough.Logical formLearned from5 355 sentences. A decision can be tough.Logical formLearned from4 755 sentences. A male can be tough.Logical formLearned from4 725 sentences. A competition can be tough.Logical formLearned from4 641 sentences. Measures can be tough.Logical formLearned from4 598 sentences. A job can be tough.Logical formLearned from4 525 sentences. A talk can be tough.Logical formLearned from4 481 sentences. A match can be tough.Logical formLearned from4 454 sentences. Athletes can be tough.Logical formLearned from4 384 sentences. A game can be tough.Logical formLearned from4 377 sentences. Choices can be tough.Logical formLearned from4 316 sentences.