Simplify the following text for a Grade 10 native English-speaking person.
Original: On the first episode of Raw following WrestleMania , Swagger tried to cash in his Money in the Bank contract against the WWE Champion John Cena , but changed his mind when he realized that Cena was not incapacitated enough to be defeated easily .
Simplified: On the episode of Raw after WrestleMania , Swagger tried to cash in his Money in the Bank contract on John Cena , but changed his mind when he saw that Cena was not hurt enough for Swagger to beat .