Experiment

One day a researcher is doing an experiment with frogs. He cuts one of the frog's legs off. He ordered the frog to jump, and it did. Then he cut off one of the frog's arms off. He then ordered the frog to jump again, and it did as it was told. He continued to do this until he had cut all of the frog's appendages off. He then ordered the frog to jump, and the frog couldn't. The rescearcher then wrote in his notes: when I cut all of a frog's legs off it becomes deaf.