A character can be sour.Logical formLearned from13 sentences. A person may have a sour taste.Logical formLearned from13 sentences. A tape can be sour.Logical formLearned from13 sentences. A performance can be sour.Logical formLearned from13 sentences. Life can be sour.Logical formLearned from13 sentences. An economy can be sour.Logical formLearned from13 sentences. A legacy can be sour.Logical formLearned from13 sentences. Patches can be sour.Logical formLearned from13 sentences. A mulch can be sour.Logical formLearned from13 sentences. (Mortgage securities) can be sour.Logical formLearned from13 sentences. An undertone can be sour.Logical formLearned from13 sentences. A type can be sour.Logical formLearned from13 sentences. A (business deal) may be gone sour.Logical formLearned from13 sentences. A substitute can be for sour cream.Logical formLearned from12 sentences. A marriage may be gone sour.Logical formLearned from12 sentences.