question: regular questions:irregular questions:questions
choices.label: A B C D
choices.text: midterm exam:final exam:exam top-level design:basic implementation:management luxury decoration:simple decoration:decoration gmo oil:non gmo oil:oil
explanation: "routine questions" and "irregular questions" contradict each other, and both belong to "problems". in addition to the "midterm exam" and "final exam", there are monthly exams, etc., and both "midterm exam" and "final exam" are "exams". in addition to "top-level design" and "basic implementation", there is also middle-level management, and both "top-level design" and "basic implementation" belong to "management". in addition to "luxury decoration" and "simple decoration", there is moderate decoration, "luxury decoration" and "simple decoration" belong to "decoration". "gmo oil" and "non-gmo oil" contradict each other, and both belong to "oil".
relation: regular questions irregular questions R2.5
relation: midterm exam final exam R2.6
relation: top-level design basic implementation R2.6
relation: luxury decoration simple decoration R2.6
relation: gmo oil non gmo oil R2.5