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 lives another years. Intent: 1) to understand the material
Unknown

Event:PersonX takes a gander. Intent:
Positive

Event:PersonX maintains PersonX's balance. Intent: 1) to send a letter

Positive