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 buys a birthday cake. Intent: 1) to go over their authority.
Example Output: Positive

Example Input: Event:PersonX stops raining. Intent: 1) to stay away
Example Output: Unknown

Example Input: Event:PersonX turns PersonY around. Intent: 1) to spend time with y.
Example Output:
Positive