Definition: In this task, you're given an article and an answer. Your task is to generate the fill-in-the-blank question for this answer based on the given article. The blanks are always at the end of the question, and can be filled with more than one word or phrase.
Input: Article: Hit song Little Apple became so popular after it came out in late May. In China, you may hear it on a bus, or even in a small village. Little Apple is a song for the movie Old Boys: The Way of Dragon. The song's huge success has also made more people see the movie. The comedy took US $17 million in its opening four days. The song Little Apple is so popular. "After hearing it, it's like "I'm brainwashed  " by the song. So I came to see the film." a man said. "It's a good story. But the reason I'm here at the cinema is the song Little Apple." Hui Qing, a college student, said. "Many people have come to see the movie, so we added more screenings for it. The film now accounts for 20 percent of the total screenings -- It's quite a good performance for a home-grown movie," a cinema clerk said. Old Boys: The Way of Dragon is based on an online short film called Old Boys. The 40-minute film about youth and dreams got nearly 70 million views on a video website, and was popular among people born in the 1980s or later. "What is popular online is a good indication   of what will be popular with young people. And this movie is a good example," businessman Chen Su said. Some have criticized Little Apple for its low quality, but the song continues keeping popular. 
 Answer: comedy
