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: Greece bailout
 Argument: Public opinion does not support the Greece bailout.
[EX A]: against

[EX Q]: Topic: Banning cell phones in cars
 Argument: More difficult to enforce hands-free cell phone ban.
[EX A]: neutral

[EX Q]: Topic: Vehicle fuel economy standards
 Argument: Fuel economy standards increase car manufacturing costs and prices.
[EX A]:
against