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: Ground zero mosque
 Argument: Ban ground zero mosque on grounds it does more harm to victims.
[EX A]: against

[EX Q]: Topic: Free trade
 Argument: Free trade improves the economic growth of developing nations.
[EX A]: in favor

[EX Q]: Topic: Was the War in Iraq worth it?
 Argument: War has given Iraqis a young democracy to grow.
[EX A]:
in favor