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 chases the cat. Intent: 1) to be helpful
[EX A]: Positive

[EX Q]: Event:PersonX sees ___ in the trash. Intent:
[EX A]: Unknown

[EX Q]: Event:PersonX buys PersonX's new shoes. Intent:
[EX A]:
Positive