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

SOLUTION: against

PROBLEM: Topic: Public health insurance option
 Argument: Public insurance delivers same quality insurance at a lower price.

SOLUTION: in favor

PROBLEM: Topic: Is Wikipedia valuable?
 Argument: Wikis need more users to help them grow.

SOLUTION:
in favor