SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function tumbleStart (children 1)
     ExpressionList (children 1)
      Function tuple (children 1)
       ExpressionList (children 3)
        Function now (children 1)
         ExpressionList
        Function now (children 1)
         ExpressionList
        Literal \'meow\'
