Task: Question Answering
Input (English): Problem: according to the direction on a can of frozen orange juice concentrate is to be mixed with 3 cans of water to make orange juice . how many 20 - ounce cans of the concentrate are required to prepare 200 6 - ounce servings of orange juice ? 
Options: a ) 15 , b ) 34 , c ) 50 , d ) 67 , e ) 100
Output (English): a