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". 

Q: Topic: Castration of sex offenders
 Argument: Castration exposes sex offenders to side effects.

A: against
****
Q: Topic: Underground nuclear waste storage
 Argument: Underground storage will never overcome societal fears.

A: against
****
Q: Topic: Abortion
 Argument: The Hippocratic oath forbids doctors from performing abortions.

A:
against
****