question: efficiency:fairness:market economy
choices.label: A B C D
choices.text: science:rationality:political philosophy revolution:reform:social system democracy:republic:political systems beauty and ugly:good and evil:aesthetics
explanation: "competition" and "private ownership" are two aspects of a "market economy". "science" and "rationality" do not belong to "political philosophy". "revolution" and "reform" are two ways of reforming the "social system". "democracy" and "republic" are not two aspects of political systems. "beauty" and "ugly" are two aspects. "good" and "evil" are two aspects.
relation: science rationality R2.5
relation: social system revolution R2.5