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 sees all of PersonY's friends. Intent:
Example Output: Negative

Example Input: Event:PersonX spills soda. Intent: 1) to be sociable
Example Output: Unknown

Example Input: Event:PersonX is sick with the flu. Intent:
Example Output:
Unknown