Task: Question Answering
Input (English): Problem: a man is walking at a speed of 10 km per hour . after every kilometre , he takes rest for 6 minutes . how much time will be take to cover a distance of 6 kilometres ? 
Options: a ) 48 min . , b ) 50 min . , c ) 66 min . , d ) 55 min . , e ) none of these
Output (English): c