Task: Question Answering
Input (English): Problem: a circular well with a diameter of 6 metres , is dug to a depth of 24 metres . what is the volume of the earth dug out ? 
Options: a ) 678.6 m 3 , b ) 36 m 3 , c ) 40 m 3 , d ) 44 m 3 , e ) none
Output (English): a