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 tells the person. Intent: 1) to be a pest 2) to be troublesome
[A]: Negative


[Q]: Event:PersonX never thought. Intent:
[A]: Unknown


[Q]: Event:PersonX becomes very nervous. Intent:
[A]:
Unknown