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 Input:
Topic: Vegetarianism
 Argument: Offering rights to animals based on evolution is a slippery slope.

Ex Output:
against


Ex Input:
Topic: Prostitution
 Argument: Legalizing prostitution won't substantially reduce HIV/AIDS risks.

Ex Output:
against


Ex Input:
Topic: Kangaroo culling in Australia
 Argument: Kangaroos should just be moved, not culled.

Ex Output:

against