question: role model:example
choices.label: A B C D
choices.text: defamation:slander demonstration:argument decision:determine instant:moment
explanation: "role model" and "example" are synonyms, "role model" is deeper than "example" "defamation" means malicious slander and destruction. "slander" means slandering others with unwarranted remarks and actions. "defamation" and "slander" are synonyms, and "defamation" is more severe than "slander". "demonstration" is the process of using "argument" to prove the authenticity of the thesis, "demonstration" and "argument" are not synonyms. "decision" refers to the strategy or method of determine, "decision" and "determine" are synonymous, but "decision" and "determine" are different in application occasions and cannot be compared in degree. "decision" is usually used in more formal situations. "instant" means right away, "moment" refers to sooner or later, "instant" and "moment" are not synonyms.