You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the **incorrect** answer (return the string of the incorrect option, not A/B).

Ex Input:
Sentence: Rubbing your finger across a trackpad is very easy, but rubbing it across a piece of sandpaper results in high friction. Question: Which surface will let you rub your finger a greater distance? (A) trackpad (B) sandpaper

Ex Output:
sandpaper


Ex Input:
Sentence: A huge bus and a little car were stopped at an intersection. The light turned green. Question: Who made it across the intersection first? (A) the car (B) the bus

Ex Output:
the bus


Ex Input:
Sentence: A car company wants to start producing a new car. Their two options for the material of the body of the car are steel or carbon fiber. Question: If everything else about the car is the same, which car will accelerate slower? (A) the steel car (B) the carbon fiber car.

Ex Output:

the carbon fiber car