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: Privatizing social security
 Argument: Privatized social security will cut tax revenues and social services.

Ex Output:
against


Ex Input:
Topic: Enhanced interrogation techniques
 Argument: US prosecuted foreign governments for waterboarding.

Ex Output:
against


Ex Input:
Topic: 700 mile US Mexico border fence
 Argument: Building a border fence is not racism.

Ex Output:

in favor