question: driver:passenger
choices.label: A B C D
choices.text: teacher:parent doctor:patient screenwriter:actor police:thief
explanation: the "passenger" rides in the vehicle driven by the "driver", and the "passenger" is the service object of the "driver". "teachers" teach students knowledge, "parents" are not the service objects of the "teacher", students are. the "patient" needs the treatment of the "doctor", and the "patient" is the service object of the "doctor". the script is arranged by the "screenwriter", the "actor" performs according to the script, and the "actor" is not the service object of the "screenwriter". it is the duty of the "police" to catch "thieves", and "thieves" are not the service objects of the "police".
relation: driver passenger R3.10
relation: doctor patient R3.10
relation: police thief R3.10