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: Ending US sanctions on Cuba
 Argument: Sanctioning Cuba is appropriate punishment for its flouting the UN.
[EX A]: against

[EX Q]: Topic: Boycott of 2008 Olympics in China
 Argument: China's unwillingness influence Burma's crisis justifies an Olympic Boycott.
[EX A]: in favor

[EX Q]: Topic: Gays in the US military
 Argument: Minority of troop discomfort with gays is enough to damage cohesion.
[EX A]:
against