A campaign can be sour.Logical formLearned from4 sentences. A sour cream can be seasoned.Logical formLearned from4 sentences. A person may like sour.Logical formLearned from4 sentences. A face may go sour.Logical formLearned from4 sentences. (Apple martinis) can be sour.Logical formLearned from4 sentences. A news of an endorsement may leave a sour taste.Logical formLearned from4 sentences. A spoonful can be sour.Logical formLearned from4 sentences. Dollops can be constituted-of-or-filled-with sour cream.Logical formLearned from4 sentences. Hints can be sour.Logical formLearned from4 sentences. Tasting can be sour.Logical formLearned from4 sentences. A person may have sour (patch kids).Logical formLearned from4 sentences. Plans may go sour.Logical formLearned from4 sentences. A person may eat sour cream.Logical formLearned from4 sentences. A jab can be sour.Logical formLearned from4 sentences. Tears can be sour.Logical formLearned from4 sentences.