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 spends PersonY's time. Intent: 1) a stable situation 2) to make a repair
Example Output: Negative

Example Input: Event:PersonX sets PersonY free. Intent: 1) to win the problem definitely
Example Output: Positive

Example Input: Event:PersonX is still hungry. Intent: 1) to be helpful
Example Output:
Unknown