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 plays for hours. Intent:
Example Output: Positive

Example Input: Event:PersonX plays ball. Intent: 1) to make happy
Example Output: Positive

Example Input: Event:PersonX yields PersonY income. Intent: 1) to not learn
Example Output:
Negative