It doesn’t actually come from the training set. Genetic algorithms can learn to “lie” because lying is just a good strategy for dealing with adversaries to your goals. Like, in a mathematical sense. None of this means it’s conscious, though. “Lying” is just a behavior. To my knowledge, evidence can’t really be given for consciousness, anyway; it’s not falsifiable. Even so, a person believing that Gemini or Claude, specifically, are conscious is indicative of profound mental illness.