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 asks PersonY for PersonZ's number. Intent:
Positive

Event:PersonX holds the reins. Intent: 1) to help someone incapacitated
Positive

Event:PersonX leaves the gate open. Intent:

Negative