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 is getting old. Intent: 1) to return the car keys to tom
[EX A]: Unknown

[EX Q]: Event:PersonX makes rice. Intent: 1) to hear person better
[EX A]: Positive

[EX Q]: Event:PersonX loses ___ for a moment. Intent: 1) to maintain good health
[EX A]:
Unknown