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 hits PersonX's brother. Intent:
Negative

Event:PersonX floats away. Intent: 1) to deliberate something well
Unknown

Event:PersonX hears nothing. Intent: 1) to leave the task

Unknown

