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". 

Q: Event:PersonX breaks the window. Intent:

A: Unknown
****
Q: Event:PersonX invites PersonY to stay. Intent: 1) to persuade

A: Positive
****
Q: Event:PersonX keeps back the ___. Intent:

A:
Negative
****