Complex sentence: In retaliation, Bean runs up the staircase and stops the lift on every floor, he almost succeeds, but due to a rather faulty lock, the man ultimately enters his room before Bean enters his.
Split into simpler sentences: In retaliation, Bean runs up the staircase and stops the lift on every floor. He almost succeeds in entering his room first, but due to a faulty lock, the man ultimately enters his room before Bean enters his.