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 young again. Intent: 1) nice
Unknown

Event:PersonX has to buy another one. Intent: 1) to talk 2) to understand
Positive

Event:PersonX pops PersonY's head. Intent: 1) eat 2) show off skills

Negative