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".

topic: Medical marijuana dispensaries
argument: Smoking marijuana impairs the immune system
against

topic: Mandatory calorie counts on menus
argument: It is difficult for restaurants to keep calorie counts consistent.
against

topic: Single-payer universal health care
argument: Universal health care lowers long-term health costs

in favor

