Task: Question Answering
Input (English): Problem: at the moment there are 54210 tagged birds in a certain wildlife refuge . if exactly 30 percent of all birds in the refuge are tagged , what percent of the untagged birds must be tagged so that half of all birds in the refuge are tagged ? 
Options: a ) 66.67 , b ) 66 , c ) 67 , d ) 65.99 , e ) 67.26
Output (English): a