I gave it a choice of "Foo" and "Bar" and it scored "Foo" at 98% percent. Why not 0% for both?
Because it's forced to rate them, there's should be a separate uncertainty parameter for both.
You mostly go for „Bar” only after you already went „Foo”.
Did you try Tabs and Spaces?
Because it's forced to rate them, there's should be a separate uncertainty parameter for both.