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 lets the dog outside. Intent: 1) to be helpful 2) ensure the other got there safely
[EX A]: Positive

[EX Q]: Event:PersonX keeps losing. Intent:
[EX A]: Unknown

[EX Q]: Event:PersonX cancels PersonX's appointment. Intent:
[EX A]:
Positive