Calm may undergo an expression.Logical formLearned from31 sentences. A person may use regular expressions.Logical formLearned from31 sentences. An artist may undergo an expression.Logical formLearned from31 sentences. A discontent may undergo an expression.Logical formLearned from31 sentences. Determination may undergo expressions.Logical formLearned from31 sentences. Confusion may undergo expressions.Logical formLearned from31 sentences. Expression may undergo a reduction.Logical formLearned from31 sentences. An expression can be liturgical.Logical formLearned from31 sentences. A desire can be for expression.Logical formLearned from31 sentences. Knowledge may undergo expressions.Logical formLearned from31 sentences. A change can be in expression.Logical formLearned from31 sentences. Resistance may undergo an expression.Logical formLearned from31 sentences. A regular expression can be specified.Logical formLearned from31 sentences. Faces may undergo an expression.Logical formLearned from31 sentences. An expression may have a value.Logical formLearned from31 sentences.