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: Vehicle fuel economy standards
 Argument: CAFE standards have strong history of reducing US emissions.

Answer: in favor


Question: Topic: Open primaries
 Argument: Primaries too important in democracy to be internal to parties.

Answer: in favor


Question: Topic: Enhanced interrogation techniques
 Argument: Enhanced interrogations unnecessary; Army Field Manual is sufficient.

Answer:
against