Task: Question Answering
Input (English): Problem: two trains are approaching each other at 60 mph each. the length of each train is 1 / 6 miles. when the two locomotives ( engines ) meet, how many seconds will it take for them to pass each other completely ?
Options: a. 8 sec, b. 11 sec, c. 12 sec, d. 10 sec, e. 15 sec
Output (English): d