Task: Question Answering
Input (English): Problem: the heights of a wall is 6 times its width and the length of the wall is 7 times its height . if volume of the wall be 16128 cu . m , its width is 
Options: a ) 4 m , b ) 4.5 m , c ) 5 m , d ) 6 m , e ) none
Output (English): a