<s>[INST] The rabies virus affects the nervous system of mammals. Among the parks in North Carolina, rabies virus has not been found in the western part of the state. Applying the fallacy of no true Scotsman, explain why the evidence that there have been no reported rabies cases in Asheville found in western North Carolina is not a threat to the claim because the absence of a finding does not necessarily indicate that the claim is false.[/INST]