Task: Question Answering
Input (English): Problem: a person travels equal distances with speeds of 3 km / hr, 4 km / hr and 5 km / hr and takes a total time of 54 minutes. the total distance is ?
Options: a. 1 km, b. 2 km, c. 3 km, d. 3.4 km, e. 5 km
Output (English): d