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 kills PersonY instantly. Intent: 1) to learn something new.

Ex Output:
Negative


Ex Input:
Event:PersonX loves apples. Intent: 1) to talk with someone

Ex Output:
Unknown


Ex Input:
Event:PersonX stamps PersonX's foot. Intent:

Ex Output:

Negative