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: Three Gorges Dam
 Argument: The TGD is a hydroelectric, renewable-energy project.
[EX A]: neutral

[EX Q]: Topic: Needle exchanges
 Argument: Drug dealers sell drugs near needle exchanges.
[EX A]: against

[EX Q]: Topic: Republika Srpska secession from Bosnia and Herzegovina
 Argument: Russian backing of Republika Srpska ind. could spark global conflict.
[EX A]:
against