This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to cook in a cast iron skillet
Sear meat in your skillet.
One of your skillet's greatest assets is its ability to give meats a high sear without scorching them. For instance, steak and roasts come out great.

Possible answers:
[i] Avoid using lard as it tends to cause the meat to caramelize when the skillet is hot, which is why lard and all-purpose grease are needed. Check with your permit hall to see if cooking meat in your cast iron skillet is a acceptable option.
[ii] Slowly heat the pan over a constant flame by turning a burner on low, and periodically increasing the flame size every few minutes. Once the burner is on high, add a piece of steak and cook until its surface is deep brown.
[iii] Most cast iron skillets are meant to cook any type of poultry, but they aren't meant to only take center sear, such as chicken or trout. For round-cut poultry, you'll need to pre-heat your skillet before cooking your meat in the pan.
[iv] You can grill most of your meals from here. To grill, just heat the skillet with a little olive oil, or lay an oiled cloth on the surface of the skillet.
The answer is:
[ii]