Complex sentence: Baucis and Philemon ask to die at the same time to save each other grief of death, and the gods respond by turning their house into a grand palace and the couple into a pair of trees with branches intertwined.
Split into simpler sentences: Baucis and Philemon ask to die at the same time to save each other the grief of death. The gods transform their house into a grand palace and the couple into a pair of trees with branches intertwined.