Task: Question Answering
Input (English): Problem: y and z are in a relay race . y runs the first leg of the course in 58 seconds . z runs the second leg of the course in 26 seconds . what was the average time they took to run a leg of the course ? 
Options: a ) 39 , b ) 40 , c ) 41 , d ) 42 , e ) 43
Output (English): d