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: Kosovo independence
 Argument: The potential of violence should not deter a principled move to an independent Kosovo.

Ex Output:
in favor


Ex Input:
Topic: Prostitution
 Argument: By worsening HIV/AIDS, prostitution will devastate societies.

Ex Output:
against


Ex Input:
Topic: US Renewable Electricity Standard
 Argument: Renewable Electricity Standard equivalent to an energy tax.

Ex Output:

neutral