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 has a wonderful trip. Intent:
Unknown

Event:PersonX eventually bought ___. Intent: 1) angry at students 2) frustrated 3) trying to get students' attention
Positive

Event:PersonX brings PersonY to tears. Intent: 1) to be healthy. 2) to be full.

Negative