Task: Question Answering
Input (English): Question: A couple decides to have 6 children. If they succeed in having 6 children and each child is equally likely to be a boy or a girl, What is the probability that they will have exactly 3 girls and 3 boys?

 Option A: 1

 Option B: 9/64

 Option C: 1/8

 Option D: 3/16

 Option E: 9/32
Output (English): Option B