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: Assault weapons ban in the United States
 Argument: The 1994 assault weapons ban did not decrease crime.
[A]: against


[Q]: Topic: More troops to Afghanistan under Obama
 Argument: Afg is backward, cannot be salvaged by US.
[A]: against


[Q]: Topic: Wind energy
 Argument: Wind fuel does not require transporting to the generator.
[A]:
in favor