Task: Question Answering
Input (English): Problem: a, b, c, d, e are the 5 electronic shops in the naza market, which have 20, 30, 60, 80 and 50 t. v. sets with them respectively, then the average number of t. v. sets in each shop is
Options: a. 24, b. 48, c. 50, d. 60, e. none
Output (English): b