You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct option for the given question. Write down the answer index: 'A' or 'B'.

Let me give you an example: Sentence: Jacob and Benny are squatting at the gym. Jacob has thin frail legs and Benny has big strong legs. Question: Who squats less weight? (A) Jacob (B) Benny
The answer to this example can be: A
Here is why: Typically, people with thin frail legs squat less weight than people with big strong legs, so the answer is A.

OK. solve this:
Sentence: An orange experiences more friction rolling across a grove floor compared to a dining table. Question: Which surface causes the orange to travel at a lower rate of speed? (A) grove floor (B) dining table
Answer:
A