Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: A person has a cup of coffee in a ceramic cup. The coffee inside of the cup has chilled, so to increase the temperature, the person
sets the cup on an electric dish
Heats the cup in the microwave.