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 ruins PersonY's day. Intent: 1) to play a song.
Example Output: Negative

Example Input: Event:PersonX prevents PersonY from entering. Intent: 1) to make sure his son is ok
Example Output: Negative

Example Input: Event:PersonX finds a seat. Intent: 1) to get to work on time
Example Output:
Unknown