If there is a murder at 10:00 PM and a suspect was in sight of three friends at a party from 9:00 PM to midnight, then according to modus ponens, you must conclude that the suspect is innocent. the suspect had an accomplice. the murderer was not at the party. one of the three friends was the murderer. the suspect's friends are lying. Which of the four key features of human spoken language is illustrated in the following passage (especially what Humpty Dumpty says), taken from Lewis Carroll's novel Through the Looking Glass? "There's glory for you!" "I don't know what you mean by 'glory,"" Alice said. Humpty Dumpty smiled contemptuously. "Of course you don't-till I tell you. I meant 'there's a nice knock-down argument for you!"" "But 'glory' doesn't mean 'a nice knockdown argument for you, "" Alice objected. "When I use a word," Humpty Dumpty said, in rather a scornful tone, "it means just what I choose it to mean-neither more nor less." displacement O hierarchical structure arbitrariness productivity (generativity)