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

Example Input: Event:PersonX waits all year. Intent: 1) to grab some bread
Example Output: Unknown

Example Input: Event:PersonX jumps down PersonY's throat. Intent: 1) person y to be awake.
Example Output:
Negative