instruction:
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". 
question:
Topic: Comprehensive Nuclear-Test-Ban Treaty
 Argument: Nuclear test ban reduces risks of nuclear fallout.
answer:
in favor


question:
Topic: Prostitution
 Argument: Legalizing prostitution won't substantially reduce HIV/AIDS risks.
answer:
against


question:
Topic: Enhanced interrogation techniques
 Argument: Many countries perform enhanced interrogations.
answer:

neutral