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". 
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Question: Topic: Libertarianism
 Argument: Libertarians would decriminalize many crimes, so reduce crime.

Answer: in favor


Question: Topic: Three Gorges Dam
 Argument: The TGD is a hydroelectric, renewable-energy project.

Answer: neutral


Question: Topic: Deporting illegal immigrants in the US
 Argument: Americans oppose the deportation of all illegal immigrants.

Answer:
against