Instructions: Find the movie name from the given conversation. If the movie name is not found give output as "unknown"
Input: USER: Hi. , ASSISTANT: hello. What type of movies do you like? , USER: I like superhero movies and some of the action movies, not all of them, but really seen a lot of superhero movies lately. , USER: Science fiction's good, too. , ASSISTANT: so do you like movies like the avengers?
Output:
the avengers