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 heads for the hills. Intent: 1) to listen

Output: Negative


Input: Consider Input: Event:PersonX likes PersonY's name. Intent: 1) to be the best

Output: Unknown


Input: Consider Input: Event:PersonX takes PersonY's part. Intent: 1) to satisfy his hunger


Output: Negative