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 pokes PersonY's eye out. Intent:

Output: Negative


Input: Consider Input: Event:PersonX never thought. Intent:

Output: Unknown


Input: Consider Input: Event:PersonX sets the thames on fire. Intent: 1) good


Output: Negative