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: Castration of sex offenders
 Argument: Castration exposes sex offenders to side effects.
answer:
against


question:
Topic: EU elected president
 Argument: An elected president would make the EU more functional.
answer:
in favor


question:
Topic: Lowering US drinking age from 21 to 18
 Argument: Hang-overs teach responsibile drinking; laws unecessary.
answer:

in favor