Task: Question Answering
Input (English): Problem: the ratio between the presents of the a and b is 2: 3. if b is 5 years older than a, what will be the ratio of the ages of a and b after 5 years ?
Options: a. 3: 4, b. 1: 2, c. 2: 3, d. 5: 6, e. 1: 3
Output (English): a