Notes can be sour.Logical formLearned from3 sentences. Babies can be sour.Logical formLearned from3 sentences. A sour taste can be mild.Logical formLearned from3 sentences. Chemicals can be sour.Logical formLearned from3 sentences. Tempers can be sour.Logical formLearned from3 sentences. A grin can be sour.Logical formLearned from3 sentences. A tenor can be sour.Logical formLearned from3 sentences. A city can be sour.Logical formLearned from3 sentences. A person may experience a sour taste.Logical formLearned from3 sentences. Containers can be constituted-of-or-filled-with sour cream.Logical formLearned from3 sentences. A situation can be sour.Logical formLearned from3 sentences. A citrus can be sour.Logical formLearned from3 sentences. Sounds can be sour.Logical formLearned from3 sentences. An earner can be sour.Logical formLearned from3 sentences. Relationship may go sour.Logical formLearned from3 sentences.