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". 

Input: Consider Input: Event:PersonX never saw PersonY. Intent: 1) to get something 2) to make a purchase

Output: Unknown


Input: Consider Input: Event:PersonX loses PersonX's identity. Intent: 1) to serve his country

Output: Unknown


Input: Consider Input: Event:PersonX brushes PersonY's teeth. Intent: 1) to be nice.


Output: Positive