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

Answer: Positive


Question: Event:PersonX waits tables. Intent:

Answer: Positive


Question: Event:PersonX has to go to the emergency room. Intent: 1) to help

Answer:
Unknown