SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function parseTimeDelta (children 1)
     ExpressionList (children 1)
      Literal \'1yr-2mo-4w + 12 days, 3 hours : 1 minute ; 33 seconds\'