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 volunteers PersonX's time. Intent: 1) to have a wedding.
[EX A]: Positive

[EX Q]: Event:PersonX leaves in a huff. Intent: 1) to discover something.
[EX A]: Negative

[EX Q]: Event:PersonX tells ___ apart. Intent: 1) succeed 2) achieve something
[EX A]:
Positive