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 prays without ceasing. Intent: 1) to buy it
[EX A]: Positive

[EX Q]: Event:PersonX feels embarrassed. Intent: 1) to be a good citizen
[EX A]: Unknown

[EX Q]: Event:PersonX screams for help. Intent: 1) to help persony
[EX A]:
Negative