TASK DEFINITION: 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". 
PROBLEM: Topic: Driftnet ban
 Argument: There is a ban on the use of driftnets in international waters already.

SOLUTION: neutral

PROBLEM: Topic: Random sobriety tests for drivers
 Argument: RBT has been successfully implemented in many modern democracies.

SOLUTION: in favor

PROBLEM: Topic: More troops to Afghanistan under Obama
 Argument: Afg is backward, cannot be salvaged by US.

SOLUTION:
against