You will be given a definition of a task first, then some input of the task.
Find the movie name from the given conversation. If the movie name is not found give output as "unknown"

ASSISTANT: What kinds of movie do you like? , USER: I like horror movies , ASSISTANT: Why do you like horror movies? , USER: Because I think life is really scary and horror movies allow me to be scared in a safe space. , ASSISTANT: Is there a horror movie you like? , USER: I like Poltergeist.
Output:
Poltergeist