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: Education vouchers
 Argument: Little evidence that vouchers improve academic achievement.

Answer: against


Question: Topic: Assassination of a Dictator
 Argument: Assassinations breed destabilizing counter-assassination attempts.

Answer: against


Question: Topic: 700 mile US Mexico border fence
 Argument: Good fences make good neighbors.

Answer:
in favor