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

[EX Q]: Topic: Legality of coca production and consumption
 Argument: Coca can be used as a local anesthetic.
[EX A]: in favor

[EX Q]: Topic: Reforestation as a solution to global warming
 Argument: Reforestation creates financial interest in sustaining forests.
[EX A]:
in favor