An aftertaste can be sour.Logical formLearned from89 sentences. Loans can be sour.Logical formLearned from89 sentences. The economy may go sour.Logical formLearned from89 sentences. Ties can be sour.Logical formLearned from89 sentences. (Vacation plans) may go sour.Logical formLearned from84 sentences. A sour cream can be fat.Logical formLearned from83 sentences. Foods can be sour.Logical formLearned from79 sentences. A sauce can be sour.Logical formLearned from78 sentences. A news can be sour.Logical formLearned from78 sentences. A (housing market) can be sour.Logical formLearned from75 sentences. An end can be sour.Logical formLearned from74 sentences. Memories can be sour.Logical formLearned from72 sentences. A soup can be sour.Logical formLearned from71 sentences. An attitude can be sour.Logical formLearned from71 sentences. A sour cream can be fat-free.Logical formLearned from71 sentences.