Complex sentence: Bill refuses to believe it and he and Ben quarrel about how fun a suturday in each other's foot would be and each wish to be each other, the film ends with them about to change places while Ellen nervously throws some playing cards into the air.
Split into simpler sentences: Bill refuses to believe it and he and Ben quarrel about how fun a Saturday in each other's place would be. They each wish to be each other, and the film ends with them about to change places while Ellen nervously throws some playing cards into the air.