Read the following conversation and answer the question.

M: What are you doing, Mary?

W: I am cooking the dinner, John.

M: Oh. Look! The Capital Building caught on a big fire today.

W: What? How about the people in the building?

M: More than 220 people were killed and the building was destroyed.

W: It must have taken the fire fighters a long time to put it out.

M: Yes, they spent about five hours putting it out. Hm, what a strange smell!

W: Oh, I forgot the food cooking on the fire!

M: Be quick! Turn the gas off. You should be careful next rime, otherwise you'd have our house on fire!

Question: What are John and Mary talking about? 

- Cooking.

- The Capital Building.

- The fire of the Capital Building.


The fire of the Capital Building.