This is a BRILLIANT minigame. Kudos
@Faerin. It took a few playthroughs but is easy enough in retrospect. While I was typing this out, Faerin responded that the date needed polishing, but I think it's perfect!
The "body language" hint is a bit of a red herring, especially when she asks your opinion of the movie. It's the words and phrases you want to pay attention to. I imagine it's more challenging for a nonnative/nonfluent English speaker. I'm not sure how common "nachos" are outside the US...? It's "Mexican" food here in the US, but good luck finding "nachos" in Mexico haha.
The info below is over-the-top explanation