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". 

Topic: European missile defense
 Argument: European missile defenses would not counter Russia-to-US attack.
against

Topic: European Union Expansion
 Argument: Cheaper labour is good for the economies of richer European nations.
in favor

Topic: AIG bonuses
 Argument: Government should have regulated bonuses, not tax them.

against