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 stands the test of time. Intent: 1) to surprise them

Ex Output:
Unknown


Ex Input:
Event:PersonX cuts bait. Intent: 1) to talk to someone on the phone

Ex Output:
Negative


Ex Input:
Event:PersonX understands the patient 's ___. Intent: 1) surprised 2) grateful 3) happy

Ex Output:

Unknown