Given the Target and Argument texts detect the stance that the argument has towards the topic. There are three types of stances "in favor", "against", and "neutral". 

Example Input: Topic: Bombing Hiroshima and Nagasaki
 Argument: Bombing Japan was the lesser evil among the alternatives.
Example Output: in favor

Example Input: Topic: Underground nuclear waste storage
 Argument: Underground storage will never overcome societal fears.
Example Output: against

Example Input: Topic: Prostitution
 Argument: Legalization will increase prostitution and subsequently worsen public health.
Example Output:
against