question: teacher:student
choices.label: A B C D
choices.text: husband:wife publisher:reader merchant:customer police:criminals
explanation: a "student" is taught by a "teacher", and a "teacher" is a profession. "husband" and "wife" are husband and wife, are equal, "husband" is not a profession there is no direct relationship between "publisher" and "reader" the service object of "merchant" is "customer", "merchant" is not a profession "criminals" are caught by the "police", and "police" is a profession.
relation: teacher student R3.10