Task: Question Answering
Input (English): Problem: a , b , c , d , e , f , g , h sitting in a row what is the probability that a , b , d are sitting together ? 
Options: a ) 1 / 5 , b ) 3 / 28 , c ) 1 / 7 , d ) 1 / 14 , e ) 5 / 28
Output (English): b