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". 

[EX Q]: Topic: Mandatory military service
 Argument: Government better off running training schemes.
[EX A]: against

[EX Q]: Topic: Mine Ban Treaty (Ottawa Treaty)
 Argument: Geneva Conventions regulates use of landmines; ban is excessive.
[EX A]: against

[EX Q]: Topic: War on Drugs
 Argument: War on Drugs helps hold down usage.
[EX A]:
in favor