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 continues PersonX's studies. Intent: 1) to improve
[EX A]: Positive

[EX Q]: Event:PersonX takes PersonY to the dentist. Intent: 1) to make the best decision
[EX A]: Positive

[EX Q]: Event:PersonX looks at PersonY's wife. Intent: 1) to know when time is up
[EX A]:
Unknown