An (action plan) can be tough.Logical formLearned from6 sentences. Promises can be tough.Logical formLearned from6 sentences. (Election laws) can be tough.Logical formLearned from6 sentences. An immediate action can be tough.Logical formLearned from6 sentences. An outsider can be tough.Logical formLearned from6 sentences. A (training schedule) can be tough.Logical formLearned from6 sentences. A drunk can be tough.Logical formLearned from6 sentences. Peace can be tough.Logical formLearned from6 sentences. A surface can be tough on a body.Logical formLearned from6 sentences. A (drug policy) can be tough.Logical formLearned from6 sentences. An accounting can be tough.Logical formLearned from6 sentences. (Inflation targets) can be tough.Logical formLearned from6 sentences. Wrestlers can be tough.Logical formLearned from6 sentences. (Trade negotiations) can be tough.Logical formLearned from6 sentences. Racings can be tough.Logical formLearned from5 sentences.