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 takes PersonY's place. Intent: 1) to display their vocal range
Example Output: Negative

Example Input: Event:PersonX sees past the end of PersonX's nose. Intent:
Example Output:
Unknown