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 tickles PersonY's funny bone. Intent: 1) to shake hands

Output: Positive


Input: Consider Input: Event:PersonX starts to sink. Intent: 1) to entertain people

Output: Negative


Input: Consider Input: Event:PersonX eventually died. Intent:


Output: Unknown