The scientific community recently discovered an alpha mimic virus that parasitizes beta amoeba. The beta amoeba parasitic by this virus releases a kind of tadpole stimulant in mammals. Causes the animal's respiratory system to react violently, and in severe cases, it can cause dyspnea. At present, alpha-like viruses can be found in animals with symptoms of dyspnea. From this we can infer (). [' irritants cannot be found in breathing mammals.', 'Amoeba can cause a severe response in the mammalian respiratory system.', 'the amoeba does not produce irritants that cause breathing difficulties in mammals in the absence of parasitic alpha virus.', 'if a mammal is infected with alpha, bacteriophage virus, the animal must have symptoms of dyspnea.']