Input (grade 13): Kurwenal replies that only Isoldeâ s arrival can save Tristan, and the shepherd offers to keep watch and claims that he will pipe a joyful tune to mark the arrival of any ship.
Output (grade 5): Kurwenal says that only Isoldeâ s arrival can save Tristan. The shepherd says he will keep watch and pipe a happy tune to mark the arrival of any ship.