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

How to reuse an old candle
Take out the candle you'd like to reuse.
Plug the candle warmer in the socket and turn it on.
Place the candle in a jar, if it's not already in one.

Select from the following.
- Put the candle on the candle warmer hot plate. Exercise caution while working with the hot plate..
- Place the candle in a plastic bag and weigh it down with a couple of pillows. Wrap a towel around the candle and place it in a cool place until it is cool to the touch..
- Find a jar to re-use. Place the candle in a proper place to reuse..
- Defrost the candle for one hour, especially if the wick is old. Reheat it to make amends its current state..
The answer is:
Put the candle on the candle warmer hot plate. Exercise caution while working with the hot plate.