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: Legalization of Marijuana
Argument: If marijuana is harmful, isn't this sufficient punishment for users.

Answer: in favor

Question: Topic: Privatizing social security
Argument: Costly privatization of Soc Sec would dampen econ growth.

Answer: against

Question: Topic: Wave power
Argument: Under-water wave power systems avoid aesthetic concerns.

Answer:
in favor