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".

Example Input: topic: Abortion
argument: Abortion may have a positive or neutral impact on the emotions of the women
Example Output: in favor

Example Input: topic: Solar energy
argument: The recovery/payback period can be very short.
Example Output: in favor

Example Input: topic: Three Gorges Dam
argument: The Three Gorges Dam has submerged mines, resulting in pollution
Example Output:
against

