Task: Question Answering
Input (English): Problem: if x is the median of the set { 8 / 2, 11 / 3, 27 / 9, 21 / 5, x }, x could be
Options: a. 4, b. 17 / 5, c. 16 / 5, d. 30 / 7, e. 31 / 7
Output (English): a