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 sees a rainbow. Intent: 1) continue something

Output: Unknown


Input: Consider Input: Event:PersonX obtains PersonY audience. Intent: 1) to have fun

Output: Positive


Input: Consider Input: Event:PersonX shakes PersonY's head slowly. Intent: 1) to in that space


Output: Negative