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 ___ very well. Intent: 1) tries to take wife

Output: Unknown


Input: Consider Input: Event:PersonX supplies PersonY with food. Intent: 1) to think of themself

Output: Positive


Input: Consider Input: Event:PersonX sees a rainbow. Intent: 1) continue something


Output: Unknown