Task: Question Answering
Input (English): Problem: a cylinder of height h is 8 / 9 of water . when all of the water is poured into an empty cylinder whose radius is 25 percent larger than that of the original cylinder , the new cylinder is 3 / 5 full . the height of the new cylinder is what percent of h ? 
Options: a ) 25 % , b ) 50 % , c ) 68 % , d ) 80 % , e ) 100 %
Output (English): c