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 really love PersonY. Intent: 1) tell a story 2) warn others
Unknown

Event:PersonX decides to cheat. Intent: 1) to be vulnerable.
Negative

Event:PersonX opens the door to PersonY. Intent: 1) to be helpful to person

Positive