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 knows PersonY's ___ thoroughly. Intent: 1) to grab something

Output: Positive


Input: Consider Input: Event:It goes so well. Intent: 1) to lead a rich life

Output: Unknown


Input: Consider Input: Event:PersonX finds PersonY's car keys. Intent: 1) to be greedy and take something for oneself.


Output: Positive