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". 

Ex Input:
Event:PersonX sees PersonY later. Intent: 1) to bring two things together

Ex Output:
Unknown


Ex Input:
Event:PersonX accidentally put. Intent: 1) to help others 2) to make them understand

Ex Output:
Unknown


Ex Input:
Event:PersonX has emergency surgery. Intent:

Ex Output:

Unknown