TASK DEFINITION: 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". 
PROBLEM: Event:PersonX plays a prank. Intent:

SOLUTION: Negative

PROBLEM: Event:PersonX leaves in a huff. Intent: 1) to discover something.

SOLUTION: Negative

PROBLEM: Event:PersonX gets angry with PersonY. Intent: 1) relax his hand

SOLUTION:
Negative