A rally can be sour.Logical formLearned from7 sentences. A debt can be sour.Logical formLearned from7 sentences. Celebrations can be sour.Logical formLearned from7 sentences. An experience may leave a sour taste.Logical formLearned from7 sentences. A (love affair) may go sour.Logical formLearned from7 sentences. A stay can be sour.Logical formLearned from7 sentences. Points can be sour.Logical formLearned from7 sentences. Eyes can be sour.Logical formLearned from6 sentences. A move can be sour.Logical formLearned from6 sentences. A honeymoon can be sour.Logical formLearned from6 sentences. A wine can be sour.Logical formLearned from6 sentences. A sauce can be constituted-of-or-filled-with sour cream.Logical formLearned from6 sentences. A romance may be gone sour.Logical formLearned from6 sentences. Dips can be sour.Logical formLearned from6 sentences. (Milk products) can be sour.Logical formLearned from6 sentences.