instruction:
You will be given a topic and an argument. Decide the argument's stance towards that topic. The argument's stance is in favor or against the topic. If the argument supports that topic, answer with "in favor"; otherwise, if the argument opposes the topic, answer with "against".
question:
topic: Vehicle fuel economy standards
argument: CAFE standards have strong history of reducing US emissions
answer:
in favor


question:
topic: Nuclear energy
argument: Concentration of power in nuclear is economical.
answer:
in favor


question:
topic: Legalization of drugs
argument: Forbidden fruit concept is nonsense.
answer:

against