Task: Question Answering
Input (English): Problem: in a certain production lot , 40 percent of the toys are red and the remaining toys are green . half of toys are small and half are large . if 10 percent of the toys are red and small , and 40 toys are green and large . how many of the toys are red and large ? 
Options: a ) 40 , b ) 60 , c ) 70 , d ) 80 , e ) 90
Output (English): b