A (mash whiskey) can be sour.Logical formLearned from6 sentences. Gumdrops can be sour.Logical formLearned from6 sentences. A season can be sour.Logical formLearned from6 sentences. Business may go sour.Logical formLearned from6 sentences. (Stock markets) can be sour.Logical formLearned from6 sentences. Some persons may have sour grapes.Logical formLearned from6 sentences. Stir can be in sour cream.Logical formLearned from6 sentences. An (orange root stock) can be sour.Logical formLearned from6 sentences. Economic reports can be sour.Logical formLearned from6 sentences. Sour grapes can be from an opponent.Logical formLearned from6 sentences. Romance may go sour.Logical formLearned from6 sentences. An investment can be sour.Logical formLearned from6 sentences. Markets may go sour.Logical formLearned from6 sentences. Stomaches can be sour.Logical formLearned from6 sentences. Publicity can be sour.Logical formLearned from6 sentences.