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 reads books. Intent: 1) to train
[EX A]: Positive

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

[EX Q]: Event:PersonX makes a doctor 's appointment. Intent: 1) to have fun
[EX A]:
Negative