question: farmer:land
choices.label: A B C D
choices.text: merchant:commodity betting:player worker:machine proletarian:capitalist
explanation: "farmers" use "land" for farming, "farmer" is an occupation, and "land" is the means of production. "merchant" sells "commodity", and "commodity" is not a means of production. "players" will "bet", "players" are not means of production. "workers" use "machines" to produce, "worker" is an occupation, and "machine" is a means of production. "proletarians" and "capitalists" belong to one category, and "capitalist" is not a means of production.
relation: farmer land R3.10
relation: merchant commodity R4.4
relation: player betting R4.1
relation: worker machine R3.10
relation: proletarian capitalist R2.4