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 grinds ___ for a week. Intent: 1) to be in a silent atmosphere
[A]: Positive


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


[Q]: Event:PersonX calls PersonY into the office. Intent: 1) to get away
[A]:
Negative