Complex sentence: Bartok expresses his hope that Martin will be able to finish what his father started, and apologizes for the dog, stating that the animal was quickly put out of its misery after the failed teleportation experiment.
Split into simpler sentences: Bartok expresses his hope that Martin will be able to finish what his father started. Bartok apologizes for the dog, stating that the animal was quickly put out of its misery shortly after the failed teleportation experiment.