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: Is Wikipedia valuable?
 Argument: Wikipedia is losing good editors at an alarming rate.

Answer: neutral


Question: Topic: Kangaroo culling in Australia
 Argument: Culling Kangaroo tarnishes the image of Australia around the world.

Answer: against


Question: Topic: Prisoners right to vote
 Argument: Prisoner voting undermines punishment and so rehabilitation.

Answer:
against