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". 

Ex Input:
Event:PersonX tries to get back. Intent:

Ex Output:
Negative


Ex Input:
Event:PersonX experiences every ___. Intent: 1) to eat

Ex Output:
Unknown


Ex Input:
Event:PersonX challenges ___ to a contest. Intent: 1) the perosn to know hes angry

Ex Output:

Positive