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 calls PersonY friend. Intent: 1) to discover more variety

SOLUTION: Positive

PROBLEM: Event:It never heard. Intent:

SOLUTION: Unknown

PROBLEM: Event:PersonX gives PersonY's flowers. Intent:

SOLUTION:
Positive