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". 

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

Output: Unknown


Input: Consider Input: Event:PersonX takes PersonY seat. Intent: 1) to make the decision

Output: Negative


Input: Consider Input: Event:PersonX provides PersonY picture. Intent: 1) to be social 2) to have friends


Output: Positive