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 waits all year. Intent: 1) to grab some bread
[EX A]: Unknown

[EX Q]: Event:PersonX gets a warning. Intent: 1) personx want to call back something
[EX A]: Unknown

[EX Q]: Event:PersonX bars PersonY's way. Intent: 1) to help the other parent.
[EX A]:
Negative