Finish the following sentence with the best choice: How do you prepare boiled yams to be cooked?

Choices:
- Clean, peel, and trim the yams. Then, cut the yams into cubes that are about ½ inch to 1 inch in size. Each cube should be approximately the same size.
- Clean, peel, and trim the yams. Then, cut the yams into cubes that are about ½ inch to 1 inch in size. Each cube should vary in size.

Answer:
Clean, peel, and trim the yams. Then, cut the yams into cubes that are about ½ inch to 1 inch in size. Each cube should be approximately the same size.