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 misses school. Intent: 1) to make persony leave
[EX A]: Unknown

[EX Q]: Event:PersonX chews the scenery. Intent: 1) to be helpful
[EX A]: Negative

[EX Q]: Event:PersonX boxes oneself into a corner. Intent: 1) to go on vacation
[EX A]:
Unknown