Task: Question Answering
Input (English): Problem: from a group of 3 boys and 3 girls, 4 children are to be randomly selected. what is the probability that equal numbers of boys and girls will be selected ?
Options: a. 1 / 10, b. 4 / 9, c. 1 / 2, d. 3 / 5, e. 2 / 3
Output (English): d