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". 
--------
Question: Event:PersonX keeps back the ___. Intent:

Answer: Negative


Question: Event:PersonX is n't friends anymore. Intent: 1) to serve the fishermen

Answer: Negative


Question: Event:PersonX feels bittersweet. Intent: 1) to be active.

Answer:
Unknown