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: Carbon capture and storage
 Argument: Sequestered C02 can be injected into reservoirs to recover oil.

SOLUTION: in favor

PROBLEM: Topic: Carbon capture and storage
 Argument: Carbon capture and storage is smoke-and-mirrors tactic for big coal.

SOLUTION: against

PROBLEM: Topic: Carbon capture and storage
 Argument: Carbon capture and storage is smoke-and-mirrors tactic for big coal.

SOLUTION:
against