Write the next sentence in the following story.

How to grow potatoes indoors
Buy seed potatoes that have a lot of eyes.
The eyes of potatoes are small spots on the skin; this is the part that germinates. One potato with 6 or 7 eyes can yield up to 2 lb (910 g) of potatoes.

i. The main disadvantage of a seed potato is that the eyes are fairly misshapen. Look for a potato with 1 or 2 eye circles inside the hole, and the bright red centers center in the inside.
ii. Fortunately, eating more potatoes contains a range of nutrients, including vitamins and minerals, which make them growing well. For the best results, use sweet potatoes without a lot of skin.
iii. Alternatively, buy potatoes and leave them near a window for a few days until they start sprouting eyes. Scrub each potato to remove the dirt.
iv. At night, look in the produce section of the grocery store. If you can't get an open bag of potatoes, use snap peas.. The answer should be
iii.