TASK DEFINITION: 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". 
PROBLEM: Event:PersonX begins ___ immediately. Intent: 1) to avoid losing the match

SOLUTION: Positive

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

SOLUTION: Positive

PROBLEM: Event:PersonX gets PersonY's irish up. Intent: 1) to keep secrets

SOLUTION:
Negative