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 kisses PersonY cheek. Intent: 1) to go upstairs

Output: Positive


Input: Consider Input: Event:PersonX plays really well. Intent: 1) influence

Output: Unknown


Input: Consider Input: Event:PersonX starts to slip. Intent: 1) nan


Output: Unknown