Exercise Context:
Consider the following effect: the building at 1227 East Fourteenth Street burned down. Suppose you know the following to be true: The building next door (at 1225 East Fourteenth) was burning due to faulty wiring before the fire at 1227 started and burning embers were blowing in all directions from that fire. The roof of 1227 was made out of highly flammable cedar. The owners of 1227 had installed a fire suppression sprinkler system, but the installation company forgot to turn on the the water to the system.