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: Single-payer universal health care
 Argument: Universal health care lowers long-term health costs.

SOLUTION: in favor

PROBLEM: Topic: Banning vuvuzela horns at the 2010 World Cup
 Argument: Vuvuzela sales are economically beneficial in S. Africa.

SOLUTION: against

PROBLEM: Topic: Abolition of nuclear weapons
 Argument: A nuclear abolition treaty is feasible with worldwide unanimity.

SOLUTION:
in favor