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". 

Event:PersonX spills all over the floor. Intent: 1) to move forward
Unknown

Event:PersonX grinds ___ for a week. Intent: 1) to be in a silent atmosphere
Positive

Event:PersonX is 14 years old. Intent:

Unknown