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 bangs PersonY's head. Intent:
[EX A]: Negative

[EX Q]: Event:PersonX takes two hours. Intent: 1) surprised 2) grateful 3) happy
[EX A]: Negative

[EX Q]: Event:PersonX looks forward to PersonY. Intent:
[EX A]:
Unknown