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". 

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

A: against
****
Q: Topic: Mandatory labeling of genetically modified foods
 Argument: Insects are likely to become resistant to GM crops.

A: against
****
Q: Topic: Funding transparency for TV issue ads in elections
 Argument: Attack ads are a part of politics, but sources must be known.

A:
in favor
****