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: Banning vuvuzela horns at the 2010 World Cup
 Argument: They are a source of headaches.

SOLUTION: in favor

PROBLEM: Topic: Deporting illegal immigrants in the US
 Argument: Trail of Tears demonstrates injustice of mass deportation.

SOLUTION: against

PROBLEM: Topic: No Child Left Behind Act
 Argument: NCLB has succeeded in improving test scores.

SOLUTION:
in favor