If the question is asked for a single title of movie. Why Ms. Elle 1's answer given more than one titles or categories. Here, the asker is learning English, Ms. elle 1's statement in her answer given the asker a conflict of interest.
The question is asked for single title to her understanding, but the answer is given more than one titles, it desn't make sense.
As a native English speaker, we could be able to adjust our brain in understanding his question, he is asking the categories, "what" means what category, it is understood.