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 pulls PersonY to safety. Intent: 1) to start fresh
[EX A]: Unknown

[EX Q]: Event:PersonX becomes worried. Intent: 1) use public transport
[EX A]: Unknown

[EX Q]: Event:PersonX scores two goals. Intent: 1) to check in
[EX A]:
Positive