George argued that the film Jurassic World did not deserve to be nominated for any science fiction awards because it was not "authentic sci-fi." George's argument depends on stipulating that the boundary of the concept "science fiction" does not include or apply to that film. To do this George uses which of the following devices? a. the dictionary definition of science fiction
b. a reference to the meaning of science fiction as specified by the awards committee
c. a donkey cart word
d. the force of his personality
e. a gullible and uncritical listener