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 wins the tournament. Intent:
[EX A]: Unknown

[EX Q]: Event:PersonX shakes PersonX's ___ in disbelief. Intent:
[EX A]: Positive

[EX Q]: Event:PersonX stops thinking about PersonY. Intent: 1) to clean
[EX A]:
Negative