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

Ex Input:
ASSISTANT: What kind of movies do you like to watch? , USER: I really enjoy the Harry Potter movies.

Ex Output:
Harry Potter

Ex Input:
ASSISTANT: What kind of movies do you like? , USER: Thrillers, action, political thrillers, action movies like Die Hard or The Matrix, Sci-Fi movies, things like that.

Ex Output:
The Matrix

Ex Input:
ASSISTANT: What type of movies do you like? , USER: I like comedies , ASSISTANT: Why is that? , USER: Cos I like to laugh and because I'm like half depression so it helps me to battle it. And it does the right things for me which I appreciate. , ASSISTANT: I see. What is one of your favorite movies? , USER: Bridesmaids

Ex Output:
Bridesmaids