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 meets PersonY's boyfriend. Intent:

Ex Output:
Unknown


Ex Input:
Event:PersonX is so happy to see PersonY. Intent:

Ex Output:
Unknown


Ex Input:
Event:PersonX stares PersonY in the face. Intent: 1) to give support 2) to comfort

Ex Output:

Negative