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: Affirmative action
 Argument: Affirm action fills key jobs with less productive individuals.
Example Output: against

Example Input: Topic: Polygamy
 Argument: Polygamy undermines the traditional institution of marriage.
Example Output: against

Example Input: Topic: Natural gas
 Argument: Natural gas vehicles reduce emissions, fight global warming.
Example Output:
in favor