(Program
{-(Throw
    (
      (Call
        (Identifier)
        (TextElement)
        (Empty))))-}
{-(Throw
    (
      (Call
        (Identifier)
        (TextElement)
        (Empty))
      (Identifier)))-}
  (Throw
    ([]))
{+(Throw
    (
      (Call
        (Identifier)
        (TextElement)
        (Empty))))+}
{+(Throw
    (
      (Call
        (Identifier)
        (TextElement)
        (Empty))
      (Identifier)))+})