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 feels pretty bad. Intent: 1) to prevent an accident
Unknown

Event:PersonX is much healthier. Intent: 1) to  help everyone
Positive

Event:PersonX begins to slide. Intent: 1) to eat pizza 2) to feed his or her family

Unknown