The infamous Voight-Kampff Test comes in two forms: an interrogation procedure and a fitness challenge. Both can differentiate human from replicant.
A list of questions reveals how bizarre V-K interrogations can be, but truth is stranger than science-fiction:
Me: Describe in single words, only the good things that come into your mind about your mother.
ChatGPT: Caring, Loving, Supportive, Nurturing, Kind-hearted.
More science is needed: like this.