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 fixes PersonX's roof. Intent: 1) to dissapear

Output: Unknown


Input: Consider Input: Event:PersonX plays a prank. Intent:

Output: Negative


Input: Consider Input: Event:It is christmas eve. Intent:


Output: Unknown