Task: Question Answering
Input (English): Question: An office supply store stocks two sizes of notebooks, each in five colors: blue, green, yellow, red, or pink. The store packs the notebooks in packages that contain either 4 notebooks of the same size and the same color or 4 notebooks of the same size and of 4 different colors. If the order in which the colors are packed is not considered, how many different packages of the types described above are possible?

 Option A: 10

 Option B: 12

 Option C: 20

 Option D: 24

 Option E: 28
Output (English): Option C