Task: Question Answering
Input (English): Problem: a 280 m long train running at the speed of 120 km / hr crosses another train running in opposite direction at the speed of 80 km / hr in 9 sec . what is the length of the other train ? 
Options: a ) 230 , b ) 288 , c ) 267 , d ) 256 , e ) 220
Output (English): e