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: Education vouchers
 Argument: Profit motive of private schools is costly, undermining vouchers.

SOLUTION: against

PROBLEM: Topic: Charter schools
 Argument: Charter schools can destroy valuable neighborhood schools.

SOLUTION: against

PROBLEM: Topic: Ending US sanctions on Cuba
 Argument: Lifting sanctions against Cuba will hardly benefit US businesses.

SOLUTION:
against