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: Charter schools
Argument: Adaptive charter schools can make necessary changes.
Example Output: in favor

Example Input: Topic: Gay marriage
Argument: Gay marriage undercuts procreation at time of vulnerability.
Example Output: against

Example Input: Topic: Cellulosic ethanol
Argument: Cellulosic ethanol start-ups are mostly failing.
Example Output:
against