Original sentence: He, Principal Skinner, and Bart are in the hospital.Marge fixes the coaster but Homer gets hurt
Edited sentence: Acting quickly, Marge repairs each broken piece just before Homer's cart runs over it.At the hospital, Marge visits Homer, who is immobilized in a full body cast.Bart and Skinner rest in their respective hospital beds in the same room as Homer; Skinner is outraged to hear Bart is pretending that he saved Skinner's life, and the two proceed to throw shrimp and peanuts at each other to set off their respective allergies again.Marge has a video camera at the ready, so she can catch Homer being exposed as a fraud on tape.Still not wanting to admit the truth, Homer proves the coaster is safe by riding it himself, even though there are large gaps in the track.The big reopening day arrives, and Homer stands in front of a crowd gathered to witness the unveiling of the refurbished roller coaster.The crowd applauds as the coaster comes to a stop at the beginning, and just as Marge is about to tell Homer that she loves him, the entire roller coaster structure comes crashing down on top, injuring Homer.When revealed, the crowd is in awe at the seemingly repaired roller coaster, but with a hit from Homer's popped cork from his champagne, the coaster collapses, becoming as rundown as it had been before.While riding, Homer announces to the crowd that Marge did all the handiwork