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". 

[EX Q]: Event:PersonX sees ___ on the street. Intent:
[EX A]: Unknown

[EX Q]: Event:PersonX is 5 years old. Intent: 1) to know about y's roommate
[EX A]: Unknown

[EX Q]: Event:PersonX classifies ___ into categories. Intent: 1) to be an adult
[EX A]:
Positive