A distinction can be sour.Logical formLearned from7 sentences. A voice can be sour.Logical formLearned from7 sentences. A chicken can be sour.Logical formLearned from7 sentences. A female may take sour grapes.Logical formLearned from7 sentences. A soda can be sour.Logical formLearned from7 sentences. A mortgage can be sour.Logical formLearned from7 sentences. Chords can be sour.Logical formLearned from7 sentences. Borrowers may go sour.Logical formLearned from7 sentences. Men can be sour.Logical formLearned from7 sentences. Smells can be sour.Logical formLearned from7 sentences. A real-estate market can be sour.Logical formLearned from7 sentences. A pucker can be sour.Logical formLearned from7 sentences. A product can be sour.Logical formLearned from7 sentences. A male may feel sour.Logical formLearned from7 sentences. Lemons can be sour.Logical formLearned from7 sentences.