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". 

Q: Event:PersonX never thought. Intent:

A: Unknown
****
Q: Event:PersonX works tirelessly. Intent:

A: Positive
****
Q: Event:PersonX has the wolf by the ear. Intent: 1) to (be) 2) improve the other

A:
Positive
****