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 all the animals. Intent:

Ex Output:
Unknown


Ex Input:
Event:PersonX keeps in touch with PersonY. Intent: 1) to play something

Ex Output:
Positive


Ex Input:
Event:PersonX has ___ eating contest. Intent: 1) to surprise someone 2) to celebrate a birthday

Ex Output:

Positive