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". 

Ex Input:
Topic: Cellulosic ethanol
 Argument: There is not enough land too grow sufficient cellulosic ethanol.

Ex Output:
against


Ex Input:
Topic: Reforestation as a solution to global warming
 Argument: Reforestation can result in release of greenhouse gas Methane.

Ex Output:
against


Ex Input:
Topic: Prisoners right to vote
 Argument: The European Court of Human Rights.

Ex Output:

neutral