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 excludes ___ from using. Intent: 1) to have new things

Ex Output:
Negative


Ex Input:
Event:PersonX shifts in PersonY's seat. Intent: 1) to meet friend

Ex Output:
Unknown


Ex Input:
Event:PersonX is PersonY 's first time. Intent: 1) to know her friend's opinion about the book.

Ex Output:

Unknown