 However, if there were a machine that did have the potential to pass a Turing test, it would be safe to assume a double blind control would be necessary.To return to the original imitation game, he states only that player A is to be replaced with a machine, not that player C is to be made aware of this replacement.When Colby, FD Hilf, S Weber and AD Kramer tested PARRY, they did so by assuming that the interrogators did not need to know that one or more of those being interviewed was a computer during the interrogation.