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 is right next to PersonY. Intent: 1) to help.
Unknown

Event:PersonX eats ___ anymore. Intent: 1) the mess to be cleaned up
Positive

Event:PersonX remains awake. Intent: 1) to reassure someone

Positive