Task: Question Answering
Input (English): Problem: in a university the average age in an arts class is 21 and average age in technical class is 18. what is the age average of university if there are 8 arts classes and 5 technical classes ?
Options: a. 18.75, b. 19.85, c. 20.32, d. 20.9, e. 21.0
Output (English): b