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

Example input: ASSISTANT: What kind of movies are you drawn to? , USER: I am drawn to romances. , ASSISTANT: Have you seen Fifty Shade of Grey?
Example output: Fifty Shade of Grey
Example explanation: Based on the given conversation the "ASSISTANT" asks user for the movie along with the 'Fifty Shade of Grey' title provided into it. We can then classify this title and store it inside the output
Q: USER: Hello. , ASSISTANT: what kind of movies do you like , USER: I like action movies. , ASSISTANT: why do you like action movies , USER: Well, they're usually entertaining, and there's a lot going on. , USER: soft and great movie scores , ASSISTANT: can you name a particular movie that you like , ASSISTANT: what about this movie that you like in particular , USER: Well, it was really interesting. It had , USER: had the bad guys, had a lot of danger.
A:
Nightmare on the Elm Street