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 sees PersonY's doctor. Intent: 1) to show off their cooking skills.
Negative

Event:PersonX breaks PersonY's ankle. Intent: 1) to have fun
Negative

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

Negative