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". 

[Q]: Topic: New START Treaty
 Argument: Russia will build-up nuclear arms without New START.
[A]: in favor


[Q]: Topic: Medical marijuana dispensaries
 Argument: That marijuana is herbal does not mean it is safe.
[A]: against


[Q]: Topic: Is Wikipedia valuable?
 Argument: User identity is impossible to enforce on the Internet.
[A]:
neutral