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". 

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


[Q]: Topic: New START Treaty
 Argument: Reducing US-Russian nuclear weapons makes for a safer world.
[A]: in favor


[Q]: Topic: Boycott of 2008 Olympics in China
 Argument: A boycott of the 2008 Olympics would antagonize the Chinese people.
[A]:
against