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: Kangaroo culling in Australia
 Argument: Kangaroos should just be moved, not culled.
[EX A]: against

[EX Q]: Topic: Geoengineering
 Argument: Geoengineering may whiten skies, harm human psychology.
[EX A]: against

[EX Q]: Topic: Kangaroo culling in Australia
 Argument: The Code of Practice in the ACT helps ensures culls are humane.
[EX A]:
in favor