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: Corn ethanol
 Argument: Corn ethanol is inferior to sugar ethanol.

Ex Output:
against


Ex Input:
Topic: Castration of sex offenders
 Argument: Innocent shouldn't face choice of more prison vs. castration.

Ex Output:
against


Ex Input:
Topic: Was the War in Iraq worth it?
 Argument: Victory better than letting terrorists win in Iraq.

Ex Output:

in favor