Note: this case is assigned to measure the distance between the last room at the end of the corridor with stairs only. Not measuring the final destination or just travel with a choice in order to escape the fire.
The case is assigned to measure the distance between the final destination only went to the fire escape. Measure the distance from the final destination is not walking the walk. Believe it or the choice to escape the fire.
Note: this case set to measure the distance between the end of the travel destination with ladder only. Is not a measure of the last destination walk path. Or believe choice to escape the fire. .