Task: Question Answering
Input (English): Problem: a flagstaff 17.5 m high casts a shadow of length 40.25 m . what will be the height of a building , which casts a shadow of length 28.75 m under similar conditions ?   
Options: a ) 12.5 m , b ) 10.5 m , c ) 14 , d ) 12 , e ) 10
Output (English): a