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 likes PersonY's name. Intent: 1) to be the best

SOLUTION: Unknown

PROBLEM: Event:PersonX gets sick of it. Intent: 1) cleanliness

SOLUTION:
Unknown