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: Fish farming ban
 Argument: Fish feel pain and should not be made to suffer.
[EX A]: in favor

[EX Q]: Topic: Needle exchanges
 Argument: Needle exchanges rightly place harm reduction over all else.
[EX A]: in favor

[EX Q]: Topic: Legality of coca production and consumption
 Argument: Coca consumption is most akin to caffeine use.
[EX A]:
in favor