Complex sentence: After hearing what happened, Lois, furious at Peter, orders him to try to comfort Chris, but Peter fails to cheer up Chris when Peter gives him a bullfrog which died when Peter poked holes on its back.
Split into simpler sentences: After hearing what happened, Lois, furious at Peter, orders him to try to comfort Chris. Peter tries to make it up to Chris by giving him a bullfrog, which dies when Peter poked holes on its back.