C296 What about Chen Hao?
A fire hydrant could not extinguish the fire on the first floor, but they did not need to do that. They only needed to extinguish the fire on the fifth floor so that they could go downstairs.
However, there would be a problem. Who would be the last person to go down?
If they wanted to go down, then one person had to stand on top and spray water at the bottom. However