instruction:
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". 
question:
Topic: Geoengineering, iron fertilization of algae blooms
 Argument: Algae bloom solutions require fertilizing too much ocean area.
answer:
against


question:
Topic: European Union Expansion
 Argument: European Union should include all of Europe; it's in their name.
answer:
in favor


question:
Topic: Legalization of Marijuana
 Argument: Marijuana prohibition is equally impossible as alcohol prohibition.
answer:

in favor