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 is a substitute teacher. Intent: 1) to prevent a view 2) to hide something
Example Output: Unknown

Example Input: Event:PersonX comes to PersonX's senses. Intent:
Example Output: Unknown

Example Input: Event:PersonX takes PersonY's girlfriend. Intent: 1) to prove his worth
Example Output:
Negative