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 discusses later in the chapter. Intent: 1) to be the best he can be.

Output: Positive


Input: Consider Input: Event:PersonX goes beyond PersonY. Intent: 1) to be nice

Output: Unknown


Input: Consider Input: Event:PersonX taketh PersonY's ___ in vain. Intent: 1) to work


Output: Negative