The watchman did not recognize the smoke as a new fire. The watchman sent out a signal to the wrong fire station. The first firefighters to arrive on the scene had only limited waterpower. The second alarm was signaled incorrectly, so additional engines were delayed. Based on the list of supporting details, what is the central idea of the selection? The firefighters were not skilled enough to put out the fire. The watchman was new to this job. The fire might have been extinguished sooner if several mistakes had not been made. The fire stations were not located in central areas.