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: Comprehensive Nuclear-Test-Ban Treaty
 Argument: Comprehensive Test Ban Treaty still relevant after Cold War.

Ex Output:
in favor


Ex Input:
Topic: Death penalty
 Argument: The death penalty helps protect inmates and prison guards.

Ex Output:
in favor


Ex Input:
Topic: Tidal energy
 Argument: Tidal energy can lead to prolonged and undesirable winter icing.

Ex Output:

against