Definition: Find the movie name from the given conversation. If the movie name is not found give output as "unknown"

Positive Example 1 -
Input: ASSISTANT: What kind of movies are you drawn to? , USER: I am drawn to romances. , ASSISTANT: Have you seen Fifty Shade of Grey?
Output: Fifty Shade of Grey

Positive Example 2 -
Input: ASSISTANT: generally speaking what type of movies do you watch , USER: I like thrillers a lot. , ASSISTANT: thrillers? for example? , USER: Zodiac's one of my favorite movies.
Output: Zodiac

Negative Example 1 -
Input: ASSISTANT: what kind of movies do you generally like?
Output: like

Negative Example 2 -
Input: ASSISTANT: hello. What type of movies do you like? , USER: I usually like action drama movies. , ASSISTANT: what do you like about those genres? , USER: Well, I like watching fast paced movies and I also like watching movies that have well developed story lines and characters. , ASSISTANT: okay. so do you like movies like star wars?
Output: Saw

Now complete the following example -
Input: ASSISTANT: what kind of movies do u like to watch , USER: I like horror movies. , ASSISTANT: why is that , USER: They're scary. , ASSISTANT: i know horror movies are scary , ASSISTANT: why else do u like them , USER: I like a murder and mystery. , ASSISTANT: in order for me to learn, i need someone who can be more descriptive about why they like the things they like , USER: It's Sci-Fi and I like the special effects. , ASSISTANT: name a movie that fits one of the categories you mentioned, and tell me why you liked that kind of movie
Output: 


Output: the Nightmare Before Christmas