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: Open primaries
Argument: Open primaries favor voter wishes over party establishment's.

Ex Output:
in favor

Ex Input:
Topic: Mine Ban Treaty (Ottawa Treaty)
Argument: Deploying smart mines encourages the use of all mines.

Ex Output:
in favor

Ex Input:
Topic: Enhanced interrogation techniques
Argument: Sleep deprivation is a form of torture.

Ex Output:
against