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 sees a rainbow. Intent: 1) continue something
[EX A]: Unknown

[EX Q]: Event:PersonX takes PersonY's purse. Intent: 1) go to hell
[EX A]:
Negative