Fact 1: Apan is used for cooking food by heating food in it on a stove.

Fact 2: Fire puts off heat.

Given the two facts above, answer the question "What is used for cooking food by putting it over fire?" with the following options: 
- a pan
 - oil
 - a sink
 - a fridge
 - corn
 - Oak
 - energy
 - a microwave


 

 a pan        