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 Q]: Topic: Hunting for sport
 Argument: Proceeds of hunting industry go to wildlife sustainability.
[EX A]: in favor

[EX Q]: Topic: Rebuilding New Orleans
 Argument: New Orleans should be rebuilt out of respect for tragedy.
[EX A]: in favor

[EX Q]: Topic: Cellulosic ethanol
 Argument: Processing cellulose is more difficult than starches.
[EX A]:
against