Task: Question Answering
Input (English): Question: The ratio of the earnings of P and Q is 9:10. If the earnings of P increases by one-fourth and the earnings of Q decreases by one-fourth, then find the new ratio of their earnings?

 Option A: 4/7

 Option B: 3/2

 Option C: 3/5

 Option D: 9/4

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