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 gets PersonY's irish up. Intent: 1) to keep secrets
Negative

Event:PersonX takes PersonY to the dentist. Intent: 1) to make the best decision
Positive

Event:PersonX sees what was wrong with PersonY. Intent: 1) to trust

Unknown