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: Earmarks
 Argument: Earmarks have already been significantly reformed.
Example Output: neutral

Example Input: Topic: Hunting for sport
 Argument: Animals should be treated as we would want to be treated.
Example Output: against

Example Input: Topic: Education vouchers
 Argument: Vouchers damage public schools that can't compete with private schools.
Example Output:
against