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: South Ossetia independence
 Argument: The Ossetian people have a divided, non-contiguous history.
[EX A]: neutral

[EX Q]: Topic: Banning vuvuzela horns at the 2010 World Cup
 Argument: They are a source of headaches.
[EX A]: in favor

[EX Q]: Topic: Mandatory labeling of genetically modified foods
 Argument: It is good for labeling to turn consumers off to GM foods.
[EX A]:
in favor