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 enhances PersonX's ability. Intent: 1) to remember.
[A]: Positive


[Q]: Event:PersonX complains to PersonY's mother. Intent:
[A]: Negative


[Q]: Event:PersonX asks friends. Intent: 1) to prevent unwanted calls
[A]:
Positive