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 goes to the wall. Intent: 1) to be cautious
Example Output: Negative

Example Input: Event:PersonX gives PersonY nothing. Intent: 1) to be powerful
Example Output: Negative

Example Input: Event:PersonX knows PersonY thoughts. Intent: 1) to leave a good impression
Example Output:
Unknown