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".

Input: Consider Input: topic: Solar energy
argument: The recovery/payback period can be very short.

Output: in favor


Input: Consider Input: topic: Prostitution
argument: Legalization will increase prostitution and subsequently worsen public health.

Output: against


Input: Consider Input: topic: Withdrawing from Iraq
argument: Prolonging the Iraq War will permanently damaged the US military


Output: in favor


