You are provided with an "Event" and it's "Intent" related to PersonX. Determine the sentiment value of the given input as either "Positive", "Negative", and "Unknown". 

Example Input: Event:PersonX tears PersonX's hair out. Intent: 1) to scare it away
Example Output: Negative

Example Input: Event:PersonX camps with PersonY's friends. Intent: 1) to heal his burn
Example Output: Positive

Example Input: Event:PersonX gets a hit. Intent: 1) yes
Example Output:
Unknown