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: Turkey EU membership
 Argument: Most opposition to Turkish membership is unrelated to Christian club in EU.

Ex Output:
neutral


Ex Input:
Topic: Health insurance cooperatives
 Argument: Supporters of co-ops will never reduce government involvement.

Ex Output:

against