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 disappears around the corner. Intent: 1) to help
Example Output: Positive

Example Input: Event:PersonX rolls in wealth. Intent: 1) overslept
Example Output: Unknown

Example Input: Event:PersonX clenches PersonY's teeth. Intent: 1) to save money on clothes
Example Output:
Negative