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". 

Input: Consider Input: Topic: Geoengineering
 Argument: Geoengineering may whiten skies, harm human psychology.

Output: against


Input: Consider Input: Topic: War on Drugs
 Argument: Costs of Drug War are greater than costs of legalization.

Output: against


Input: Consider Input: Topic: Carbon emissions trading
 Argument: Cap-and-trade systems ensure emissions reductions to the set cap.


Output: in favor