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: Geoengineering
 Argument: Many geoengineering solutions cut atmospheric greenhouse gases.
[EX A]: in favor

[EX Q]: Topic: Ecotourism
 Argument: Ecotourism economically benefits local people.
[EX A]: in favor

[EX Q]: Topic: AIG bonuses
 Argument: Justice of reneging AIG bonuses would be worth costs.
[EX A]:
against