Task: Question Answering
Input (English): Question: To be considered grade AD, an egg must weigh between 75 and 90 grams, including the shell. Shells of grade AD eggs weigh between 3 and 5 grams. What is the smallest possible mass, in grams, of a 12-egg omelet, assuming that only grade AD eggs are used, the shells are all discarded, and no mass is lost in the cooking process?

 Option A: 800

 Option B: 840

 Option C: 864

 Option D: 900

 Option E: 1,080
Output (English): Option B