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 is still angry. Intent: 1) to eat a hamburger and fries

Ex Output:
Unknown


Ex Input:
Event:PersonX prevents ___ from obtaining. Intent:

Ex Output:
Negative


Ex Input:
Event:PersonX howls in pain. Intent: 1) the right thing

Ex Output:

Unknown