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 falls by the wayside. Intent: 1) to be heard over the noise
Unknown

Event:PersonX tries to get back. Intent:
Negative

Event:PersonX pats PersonY's shoulder. Intent:

Positive