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 gets PersonY's irish up. Intent: 1) to keep secrets
[EX A]: Negative

[EX Q]: Event:PersonX plays ball. Intent: 1) to make happy
[EX A]: Positive

[EX Q]: Event:PersonX maintains ___ in the face. Intent:
[EX A]:
Positive