question: plaintiff:defendant
choices.label: A B C D
choices.text: traffic police:driver the affirmative:the negative superior:subordinate employer:employee
explanation: "plaintiff" and "defendant" are both an appellation,s and they have equal status in civil litigation. the "driver" is managed by the "traffic police". "traffic police" and "driver" do not belong to the same category. both "the affirmative" and "the negative" are a title, and the two have equal status in the debate competition. a "subordinate" is managed by a "superior". "superior" and "subordinate" do not belong to the same category. "employee" is managed by an "employer". "employer" "employee" do not belong to the same category.
relation: plaintiff defendant R2.4
relation: traffic police driver R4.4
relation: the affirmative the negative R2.4
relation: superior subordinate R4.4
relation: employer employee R4.4