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: Banning vuvuzela horns at the 2010 World Cup
Argument: Vuvuzela sales are economically beneficial in S. Africa.
[EX A]: against

[EX Q]: Topic: Turkey EU membership
Argument: EU membership would help strengthen democracy in Turkey.
[EX A]: in favor

[EX Q]: Topic: Random sobriety tests for drivers
Argument: RBT has been successfully implemented in many modern democracies.
[EX A]:
in favor