a)The hypnotist would suggest changes in Robert’s feelings, perceptions, thoughts, or behaviors related to smoking.
b) The hypnotist would stimulate Robert’s five senses using monotonous hypnotic induction and force him to quit smoking.
c) The hypnotist would ask Robert to go to sleep until the hypnosis is over.
d) The hypnotist would ask Robert to do something that is against his will to motivate him to stop smoking.