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: Israeli military assault in Gaza
 Argument: Israel's right to self-defense does not justify mass murder.
[EX A]: against

[EX Q]: Topic: European Union Expansion
 Argument: Drugs will flow more easily due to entry of new countries into the EU.
[EX A]: against

[EX Q]: Topic: Assault weapons ban in the United States
 Argument: Banning semi-automatic weapons would harm small businesses.
[EX A]:
against