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". 

Event:PersonX plays football after school. Intent: 1) to bring lunch.
Positive

Event:PersonX points fingers. Intent: 1) to be of use
Negative

Event:PersonX falls to PersonY's knees. Intent:

Negative