Task: Question Answering
Input (English): Problem: in the hillside summer camp there are 50 children . 80 % of the children are boys and the rest are girls . the camp administrator decided to make the number of girls only 10 % of the total number of children in the camp . how many more boys must she bring to make that happen ? 
Options: a ) 55 , b ) 50 , c ) 40 . , d ) 30 . , e ) 25 .
Output (English): b