A place can be sour.Logical formLearned from4 sentences. A reaction can be sour.Logical formLearned from4 sentences. A man can be sour.Logical formLearned from4 sentences. A phase can be sour.Logical formLearned from4 sentences. An earth can be sour.Logical formLearned from4 sentences. A loaf can be sour.Logical formLearned from4 sentences. A review can be sour.Logical formLearned from4 sentences. A (cherry marmalade) can be sour.Logical formLearned from4 sentences. Apples can be sour.Logical formLearned from4 sentences. A (cottage cheese) can be sour.Logical formLearned from4 sentences. An economy may go sour.Logical formLearned from4 sentences. A formula can be sour.Logical formLearned from4 sentences. An encounter can be sour.Logical formLearned from4 sentences. The economy may be gone sour.Logical formLearned from4 sentences. Satisfaction can be sour.Logical formLearned from4 sentences.