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 plays ___ after school. Intent: 1) to be a good student 2) to be successful
Example Output: Positive

Example Input: Event:PersonX accidentally left. Intent: 1) to be on the ocean.
Example Output:
Unknown