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 plays a prank. Intent:

Output: Negative


Input: Consider Input: Event:PersonX sneezes a lot. Intent:

Output: Unknown


Input: Consider Input: Event:It is PersonY's favorite animal. Intent: 1) to fix things


Output: Unknown