Task: Question Answering
Input (English): Problem: if a man walks at a rate of 10 kmph, he misses a train by 14 minutes. however, if he walks at the rate of 12 kmph, he reaches the station 10 minutes before the arrival of the train. find the distance covered by him to reach the station.
Options: a. 6, b. 15, c. 12, d. 4, e. 8
Output (English): a