Task: Question Answering
Input (English): Problem: according to the directions on a can of frozen orange juice concentrate , 1 can of concentrate is to be mixed with 4 cans of water to make orange juice . how many 12 ounce cans of concentrate are required to prepare 120 6 - ounce servings of orange juice ? 
Options: a ) 10 , b ) 12 , c ) 14 , d ) 16 , e ) 18
Output (English): b