One of the most important steps in analyzing evidence is determining if there are other logical explanations that could explain what the witness saw or experienced. For example, many sightings of unidentified flying objects (UFOs, or alien spaceships) have been identified by ufologists as sightings of the moon, stars, satellites, weather balloons, or airplanes. According to Chalker, Mullis contends that the talking raccoon was real and not a drunken hallucination because Mullis was not drunk. Mullis's claim that he had driven a difficult road does not offer sufficient proof of sobriety, however. People under the influence of alcohol and drugs have been known to successfully accomplish difficult tasks without mishap. Consider the statements of fact listed for Mullis; are there any other plausible explanations for what he said he saw and experienced other than an abduction by aliens"