Task: Question Answering
Input (English): Problem: tim came second in math . when his mother asked him how much he had scored , he answered that he got the sum of the first 9 even numbers . his mother immediately worked out the answer . how much had he scored in math ? 
Options: a ) 80 , b ) 90 , c ) 30 , d ) 70 , e ) 60
Output (English): b