Multi-select problem: How does the next paragraph end?

How to roast hatch chiles
Buy chiles with a bright green color.
They should have smooth skin, feel heavy for their size and maintain a consistent, symmetrical shape.
Purchase hatch chiles in markets and produce stores or order them online.

Options are: (I) Retailers specializing in hatch chiles include bristol farms and melissa's world variety produce. Choose hot or mild chiles, or a mix of both. (II) Get them in season within early spring or early summer, preferably during the hottest months. They do well when roasted during cooler weather. (III) Wash the chiles before roasting them. The chiles can be cleaned with a little water or dishwasher detergent, or you can wash them at home. (IV) You can blend them with any vegetables you want. Choose some produce to roast them and color it in with.
(I)