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: Geoengineering, iron fertilization of algae blooms
 Argument: Algae bloom solutions require fertilizing too much ocean area.

SOLUTION: against

PROBLEM: Topic: Withdrawing from Iraq
 Argument: An early withdrawal from Iraq would embolden terrorists.

SOLUTION: against

PROBLEM: Topic: Corn ethanol
 Argument: Ethanol is a means to reducing foreign oil dependencies.

SOLUTION:
in favor