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 Q]: Event:PersonX grabs PersonY's backpack. Intent: 1) to give person y something
[EX A]: Negative

[EX Q]: Event:PersonX volunteers PersonX's time. Intent: 1) to have a wedding.
[EX A]: Positive

[EX Q]: Event:PersonX points a gun at PersonY. Intent:
[EX A]:
Negative