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 watches PersonY's face. Intent: 1) to bring something with personx
Unknown

Event:PersonX never received ___. Intent: 1) replace worn out shoes
Unknown

Event:PersonX has terrible nightmares. Intent: 1) to know who's there 2) to relax 3) to be alone

Unknown