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: Castration of sex offenders
 Argument: Innocent shouldn't face choice of more prison vs. castration.

Ex Output:
against


Ex Input:
Topic: Geoengineering, iron fertilization of algae blooms
 Argument: Best practices in iron fertilization can ensure effectiveness.

Ex Output:
in favor


Ex Input:
Topic: Kosovo independence
 Argument: Serbia's abuses in Kosovo are exaggerated.

Ex Output:

against