Task: Question Answering
Input (English): Question: Cereal A is 9% sugar by weight, whereas healthier but less delicious Cereal B is 2% sugar by weight. To make a delicious and healthy mixture that is 4% sugar, what should be the ratio of Cereal A to Cereal B, by weight?

 Option A:  2:9

 Option B:  2:5

 Option C:  1:6

 Option D:  1:4

 Option E:  1:3
Output (English): Option B