You are presented with the quiz "What can be used for cooking food?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "apan is used for cooking food by heating food in it on a stove" and "and because it's made entirely of metal, each pan can be used in the oven and under the broiler". So, what's the best answer to the question?

Possible answers:
(A). heat;
(B). sugar;
(C). Oak;
(D). silence;
(E). darkness;
(F). ice;
(G). oil;
(H). metal;
Answer:
(H).