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". 

[Q]: Event:PersonX eventually bought ___. Intent: 1) angry at students 2) frustrated 3) trying to get students' attention
[A]: Positive


[Q]: Event:PersonX is fast asleep. Intent:
[A]: Unknown


[Q]: Event:PersonX calls PersonY's boss. Intent: 1) to get a general idea.
[A]:
Negative