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 becomes worried. Intent: 1) use public transport

SOLUTION: Unknown

PROBLEM: Event:PersonX shakes PersonX's ___ in disbelief. Intent:

SOLUTION: Positive

PROBLEM: Event:PersonX presses PersonY's lips. Intent: 1) know what persony is thinking 2) be closer to persony

SOLUTION:
Negative