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". 

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

Event:PersonX finds ___ on the ground. Intent:
Unknown

Event:PersonX continues to walk. Intent: 1) two

Positive