In each example, identify the unconditioned stimulus (UCS), unconditioned response (UCR), conditioned stimulus (CS) and the conditioned response (CR).
1) When tom gets back to the dormitory after jogging around the campus, he likes to take a quick shower before going to class. One morning while taking a shower he hears someone flushing a nearby toilet. Suddenly, extremely hot water comes rushing out of the showerhead and Tom experiences excruciating pain. After muttering a few obscenities, he continues showering. A few minutes later, Tom hears another toilet flush and he leaps out of the shower.