A male may run tough.Logical formLearned from17 sentences. A (con artist) can be tough.Logical formLearned from17 sentences. Losing can be tough.Logical formLearned from17 sentences. Politics can be tough.Logical formLearned from17 sentences. Roads can be tough.Logical formLearned from17 sentences. A bracket can be tough.Logical formLearned from17 sentences. Adversaries can be tough.Logical formLearned from17 sentences. An education can be tough.Logical formLearned from17 sentences. A jurist can be tough.Logical formLearned from17 sentences. Penalties can be tough.Logical formLearned from17 sentences. Persons may look tough.Logical formLearned from17 sentences. Coaches can be tough.Logical formLearned from17 sentences. A (negotiating style) can be tough.Logical formLearned from17 sentences. An (election fight) can be tough.Logical formLearned from17 sentences. (Building code) can be tough.Logical formLearned from17 sentences.