In the old edition ad, Xiao Dong throws a pillow in frustration after learning that he failed the college entrance exams. This part was cut in the new ad. (Photo: Oriental Morning Post)

In the new ending, Xiao Dong receives a phone call from the other two, telling him that "we too received acceptance letters." That implies Xiao Dong has already received an acceptance letter from a university. (Photo: Oriental Morning Post)