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 really needed. Intent: 1) things to be restored to previous states 2) justice to be done 3) changes to be undone
Unknown

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

Event:PersonX avoids like the plague. Intent:

Negative