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: Cellulosic ethanol
Argument: Cellulosic ethanol can be 0 emissions.

Ex Output:
in favor

Ex Input:
Topic: European Monetary Fund
Argument: EMF would allow orderly sovereign default.

Ex Output:
in favor

Ex Input:
Topic: Cluster bomb ban
Argument: Importance of cluster bombs against threats makes a ban infeasible.

Ex Output:
against