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 kills PersonY instantly. Intent: 1) to learn something new.
Example Output: Negative

Example Input: Event:PersonX feels very good. Intent:
Example Output: Unknown

Example Input: Event:PersonX gets really bad. Intent:
Example Output:
Negative