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 volunteers PersonX's time. Intent: 1) to have a wedding.
Positive

Event:PersonX gives PersonY the eye. Intent: 1) to play around.
Negative

Event:PersonX believes PersonX's luck. Intent: 1) to soar the skies

Unknown