Task: Question Answering
Input (English): Question: Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:

 Option A: 15

 Option B: 16

 Option C: 18

 Option D: 25

 Option E: None of these
Output (English): Option B