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 tells PersonY something. Intent:

Ex Output:
Negative


Ex Input:
Event:PersonX calls PersonY friend. Intent: 1) to discover more variety

Ex Output:
Positive


Ex Input:
Event:PersonX quits school. Intent:

Ex Output:

Negative