Task: Question Answering
Input (English): Question: A wheel that has 6 cogs is meshed with a larger wheel of 7 cogs. When the smaller wheel has made 21 revolutions, then the number of revolutions made by the larger wheel is:

 Option A: 9

 Option B: 10

 Option C: 6

 Option D: 18

 Option E: 7
Output (English): Option D