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 wants PersonY back. Intent: 1) to block opposing opinions

Ex Output:
Negative


Ex Input:
Event:PersonX lets the dog outside. Intent: 1) to be helpful 2) ensure the other got there safely

Ex Output:
Positive


Ex Input:
Event:PersonX notices a man. Intent: 1) aggresive

Ex Output:

Unknown