A face can be without expression.Logical formLearned from17 sentences. Babies may farewell (jewelry expression).Logical formLearned from17 sentences. A male may study an expression.Logical formLearned from17 sentences. Importance may undergo an expression.Logical formLearned from17 sentences. A male may notice an expression on a face.Logical formLearned from17 sentences. Changes can be in (gene expression patterns).Logical formLearned from17 sentences. An expression can be mild.Logical formLearned from17 sentences. An expression can be contemptuous.Logical formLearned from17 sentences. A male may put on an expression.Logical formLearned from17 sentences. An expression can be contorted.Logical formLearned from17 sentences. Expressions can be priceless.Logical formLearned from17 sentences. An expression may tell a female that something-is-the-case.Logical formLearned from17 sentences. Expressions can be mild.Logical formLearned from17 sentences. An expression can be bizarre.Logical formLearned from17 sentences. An expression can be inevitable.Logical formLearned from17 sentences.