Task: Question Answering
Input (English): Question: Two same glasses are respectively 1/4th 1/5th full of milk. They are then filled with water and the contents mixed in a tumbler. The ratio of milk and water in the tumbler is?

 Option A: 9:38

 Option B: 9:31

 Option C: 9:390

 Option D: 9:36

 Option E: 9:33
Output (English): Option B