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: 2009 US economic stimulus
 Argument: 2009 US stimulus won't generate consumer confidence.
[EX A]: against

[EX Q]: Topic: Free trade
 Argument: Global governance will make governing free trade possible.
[EX A]: in favor

[EX Q]: Topic: Ecotourism
 Argument: Ecotourism can damage habitats.
[EX A]:
against