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: 700 mile US Mexico border fence
 Argument: The 700 wall cannot be compared to the Berlin wall.

Answer: neutral


Question: Topic: Charter schools
 Argument: Charter schools cut through red tape, quickly opening after Katrina.

Answer: in favor


Question: Topic: Electric vehicles
 Argument: Electric cars will get cleaner with more renewable sources.

Answer:
in favor