<human>: Here is a goal: How do you clean a cast iron skillet?

How would you accomplish this goal?

OPTIONS:
- Wipe interior surface of still-warm skillet with paper towels to remove any excess food and oil. Rinse under cold running water, scrubbing with nonmetal brush or nonabrasive scrub pad to remove any traces of food.
- Wipe interior surface of still-warm skillet with paper towels to remove any excess food and oil. Rinse under hot running water, scrubbing with nonmetal brush or nonabrasive scrub pad to remove any traces of food.
<bot>: Wipe interior surface of still-warm skillet with paper towels to remove any excess food and oil. Rinse under hot running water, scrubbing with nonmetal brush or nonabrasive scrub pad to remove any traces of food.