Task: Question Answering
Input (English): Problem: jony walks along sunrise boulevard daily . he starts walking at 07 : 00 from block 10 and walks to block 90 where he turns around and walks back to block 70 , where he stops at 07 : 40 . the blocks along the boulevard are numbered sequentially ( 1 , 2,3 ) , and each block measures 40 meters . what is jony ' s speed in meters per minute ? 
Options: a ) 88 , b ) 100 , c ) 198 , d ) 216 , e ) 252
Output (English): b