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 skates around. Intent: 1) to win 2) to show someone who is boss
Positive

Event:PersonX asks PersonY for PersonZ's number. Intent:
Positive

Event:PersonX buys books. Intent:

Positive