Adults may undergo an expression.Logical formLearned from12 sentences. Children may undergo expressions.Logical formLearned from12 sentences. Expressions may refer to a year.Logical formLearned from12 sentences. A string can be a regular expression.Logical formLearned from12 sentences. A toxin may undergo an expression.Logical formLearned from12 sentences. Community may undergo expressions.Logical formLearned from12 sentences. Regular expressions may match a character.Logical formLearned from12 sentences. Expressions can be descriptive.Logical formLearned from12 sentences. Opportunity can be for expression.Logical formLearned from12 sentences. Need may undergo expressions.Logical formLearned from12 sentences. Somebody may undergo an expression.Logical formLearned from12 sentences. Artistic expression can be in a country.Logical formLearned from12 sentences. Efforts may undergo an expression.Logical formLearned from12 sentences. A (signature expression) may pertain-to a male.Logical formLearned from12 sentences. A goal may undergo an expression.Logical formLearned from12 sentences.