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". 

Example Input: Event:PersonX sees the ocean. Intent: 1) to be nice
Example Output: Positive

Example Input: Event:PersonX kills PersonY on the spot. Intent: 1) something from my parents 2) my parents to allow something
Example Output: Negative

Example Input: Event:PersonX prevents PersonY's return. Intent: 1) to aware
Example Output:
Negative