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 keeps in touch with PersonY. Intent: 1) to play something
Example Output: Positive

Example Input: Event:PersonX feels special. Intent: 1) to be helpful
Example Output: Unknown

Example Input: Event:It is the best birthday. Intent: 1) to protect them.
Example Output:
Unknown