Task: Question Answering
Input (English): Question: Griffin has a bag of marbles that contains 7 black marbles and 5 red marbles. If he removes 3 marbles at random without replacing any of the marbles, what is the probability that all 3 marbles selected will be red?

 Option A: 1/22

 Option B: 2/33

 Option C: 3/44

 Option D: 4/55

 Option E: 5/66
Output (English): Option A