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: US health care reform
 Argument: Government-approved insurers of US health care law limits competition.

Answer: against


Question: Topic: New START Treaty
 Argument: Russia will build-up nuclear arms without New START.

Answer: in favor


Question: Topic: EU constitution reform treaty (Lisbon Treaty)
 Argument: Lisbon Treaty limits national economic sovereignty.

Answer:
against