question: which textured surfaces are more difficult to brake on?
choices.text: weater dry car hardness smooth cold distal lamphreys
choices.label: A B C D E F G H
fact2: Typically the smoother the surface is the less friction.
combinedfact: Brakes are less effective at stopping vehicles on smooth surfaces
formatted_question: which textured surfaces are more difficult to brake on? (A) weater (B) dry (C) car (D) hardness (E) smooth (F) cold (G) distal (H) lamphreys