Task: Question Answering
Input (English): Question: There are 200 cats in Cat-City. Out of the 200, 70 are street cats and the rest are domestic cats. 110 cats are gray, 20 out of the gray cats are NOT domestic ones. How many domestic cats are there which are not gray in Cat-City?

 Option A: 90.

 Option B: 80.

 Option C: 50.

 Option D: 40.

 Option E: 25.
Output (English): Option D