Task: Question Answering
Input (English): Question: A bag contains 6 white marbles and 6 black marbles. If each of 6 girls and 6 boys randomly selects and keeps a marble, what is the probability that all of the girls select the same colored marble?

 Option A: 1/35

 Option B: 1/10

 Option C: 1/3

 Option D: 1/462

 Option E: 1/252
Output (English): Option D