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 Input:
Topic: Was the War in Iraq worth it?
 Argument: War in Iraq was not mainly against terrorists.

Ex Output:
against


Ex Input:
Topic: No-fly zone over Libya
 Argument: No fly zone in Libya prevents a massacre.

Ex Output:
in favor


Ex Input:
Topic: Gay adoption
 Argument: Children do better with mother and father role models.

Ex Output:

against