The most sophisticated scammer may deceive all people at one moment, or some people at all times, but it is absolutely impossible to deceive all people at all times. According to the above statement, which of the following is incorrect? ['A person may be deceived at some time.', 'Liars can also be deceived.', 'A person may not be deceived at any moment.', 'There is no moment where everyone is deceived.']