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 bangs PersonY's head. Intent:

Ex Output:
Negative


Ex Input:
Event:PersonX bursts into tears. Intent: 1) make sure it works.

Ex Output:
Unknown


Ex Input:
Event:PersonX arrives today. Intent: 1) to be alone

Ex Output:

Unknown