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

Example Input: ASSISTANT: What sort of movies to you like? , USER: I like westerns like The Magnificent Seven Magnificent Seven, sorry. Action movies sort of like Dredd or
Example Output: Dredd

Example Input: ASSISTANT: can you tell me what types of movies you like? , USER: Yeah. I like action movies. Love action movies. Love I love documentaries. Educational films are great. Like I like the indie stuff. I like art art art stuff. , ASSISTANT: ok, what about those genres do you like? , USER: Well, I love documentaries because they're great biopics, they're great overviews about a person's life and what they did. I like presidential biographies, such as on James Buchanan. I like biographies on US presidents. I like I liked the BBC like the the world series, the one on nature. , ASSISTANT: ok, can you name a specific film you enjoyed? , USER: I like Bob and the Trees that was a fictional account of this lumberjack and Massachusetts, and he bought He bought the landlord right to a plot of land. But the whole of the land was full of termites, so it didn't go well.
Example Output: Bob and the Trees

Example Input: ASSISTANT: What type of movies do you like? , USER: I like romantic movies, and I like comedies. , ASSISTANT: why do you like romantic movies? , USER: I get really engaged in them. I like the love stories. It takes me away from my boring old love story. , ASSISTANT: What is one of your favorite movies? , USER: One of my favorite movies would be Titanic.
Example Output:
Titanic