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 prevents PersonY's return. Intent: 1) to aware
[EX A]: Negative

[EX Q]: Event:PersonX works tirelessly. Intent:
[EX A]: Positive

[EX Q]: Event:PersonX gives PersonY battle. Intent: 1) to give it to them
[EX A]:
Negative