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 tears PersonX's hair out. Intent: 1) to scare it away
Negative

Event:It works just fine. Intent: 1) to communicate
Unknown

Event:PersonX crosses PersonY path. Intent: 1) to save his ward from external disturbances

Unknown