question: newspaper:editor
choices.label: A B C D
choices.text: student:teacher machine:operation letter:postman movie:director
explanation: the result of the work of an "editor" is a "newspaper", and "editor" is a profession. the teaching object of "teacher" is "student", and the work result of "teacher" is not "student". the object of the worker's "operation" is the "machine", and the work result of the "operation" is not the "machine". the "postman" is responsible for delivering the "letter", but the "letter" is not the work of the "postman". the work product of "director" is "movie", and "director" is a profession.
relation: newspaper editor R3.10
relation: movie director R3.10