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 suits PersonY's needs. Intent: 1) to end a performance 2) to close the curtain

Ex Output:
Unknown


Ex Input:
Event:PersonX gives PersonY nothing. Intent: 1) to be powerful

Ex Output:
Negative


Ex Input:
Event:PersonX seems to notice. Intent:

Ex Output:

Unknown