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:It goes so well. Intent: 1) to lead a rich life

SOLUTION: Unknown

PROBLEM: Event:PersonX hurts PersonY's arm. Intent: 1) to be comforted 2) to be friendly

SOLUTION:
Unknown