question: student:straight a student:learning
choices.label: A B C D
choices.text: soldier:officer:defense of the country house slave:child slave:loan repayment white collar:golden collar:management lady:nurse:nursing
explanation: "straight a student" is a kind of "student", and the task of a "straight a student" is "learning". "soldiers" are a kind of "officers", and the duties of "officers" and "sodiers" are both "defense of the country". "house slaves" and "child slaves" are side by side. the responsibility of "child slaves" is not "loan repayment". "white-collar" and "golden-collar" side by side, "golden-collar" responsibility is "management". "lady" can be "nurse" and "nurse" can also be "lady"
relation: straight a student student R2.2
relation: student learning R3.10
relation: officer soldier R2.2
relation: soldier defense of the country R3.10
relation: house slave child slave R2.4
relation: white collar golden collar R2.4
relation: lady nurse R2.7