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 rolls PersonY's eyes at PersonY. Intent: 1) to check on another 2) to be helpful
Negative

Event:PersonX bursts into tears. Intent: 1) make sure it works.
Unknown

Event:PersonX makes that mistake again. Intent: 1) to contribute

Unknown