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: Hydroelectric dams
 Argument: There are better ways to store water than dams.

SOLUTION: against

PROBLEM: Topic: Hydrogen vehicles
 Argument: It's OK to use more energy to make hydrogen than is obtained out.

SOLUTION: in favor

PROBLEM: Topic: Driftnet ban
 Argument: The reports of extinction through over-fishing are inconclusive and based on anecdotal evidence.

SOLUTION:
against