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 loses PersonY's car keys. Intent: 1) to learn something new

SOLUTION: Unknown

PROBLEM: Event:PersonX gives PersonY a stare. Intent: 1) to have fun

SOLUTION: Negative

PROBLEM: Event:PersonX takes a ride to tyburn. Intent: 1) to have pretty updos

SOLUTION:
Negative