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".

Topic: Kyoto Protocol
Argument: Fighting climate change means cutting emissions with Kyoto Protocol.
in favor

Topic: Osama Bin Laden Sea Burial
Argument: No alternative to sea burial was available.
in favor

Topic: Is Wikipedia valuable?
Argument: Wikis need more users to help them grow.
in favor