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". 

[EX Q]: Topic: Comprehensive Nuclear-Test-Ban Treaty
 Argument: Comprehensive Test Ban Treaty still relevant after Cold War.
[EX A]: in favor

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

[EX Q]: Topic: Google decision to stop censoring results in China
 Argument: Google's decision in China was mostly ethics, not business.
[EX A]:
in favor