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:It never heard. Intent:
Unknown

Event:PersonX tells the person. Intent: 1) to be a pest 2) to be troublesome
Negative

Event:PersonX bats PersonY eye. Intent: 1) to help y

Negative