question: actor:audience
choices.label: A B C D
choices.text: conductor:passenger worker:factory manager farmer:field parents:children
explanation: the "audience" needs the "actor". a "passenger" needs a "conductor". the "factory manager" manages the "workers". it is the "farmers" who work in the "fields". "parents" raise "children".
relation: worker factory manager R4.4
relation: farmer field R3.5
relation: parents children R4.4