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 Q]: Topic: Colonization of the Moon
 Argument: Territorial claims on the Moon will become a source of conflict.
[EX A]: against

[EX Q]: Topic: Waterboarding
 Argument: Torture violates protections of the vulnerable.
[EX A]: against

[EX Q]: Topic: Lowering US drinking age from 21 to 18
 Argument: 21 drinking-age general lowers under-age drinking.
[EX A]:
against