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 prevents PersonY from entering. Intent: 1) to make sure his son is ok
[A]: Negative


[Q]: Event:PersonX loses PersonX's identity. Intent: 1) to serve his country
[A]: Unknown


[Q]: Event:PersonX avoids eye contact. Intent: 1) god work
[A]:
Negative