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: Needle exchanges
 Argument: Needle exchanges rightly place harm reduction over all else.
[EX A]: in favor

[EX Q]: Topic: Geoengineering, iron fertilization of algae blooms
 Argument: Algae bloom solutions require fertilizing too much ocean area.
[EX A]: against

[EX Q]: Topic: Kyoto Protocol
 Argument: Kyoto regulations on C02 emissions do not improve air-quality.
[EX A]:
against