Task: Question Answering
Input (English): Problem: elena ’ s bread recipe calls for 5 ounces of butter for each 7 cups of flour used . she needs to make 4 times the original recipe . if 12 ounces of butter is used , then how many cups of flour are needed ? 
Options: a ) 1 , b ) 4 , c ) 9 , d ) 13 , e ) 28
Output (English): e