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". 

[Q]: Topic: Manned mission to Mars
 Argument: A manned mission to Mars would unify humankind.
[A]: in favor


[Q]: Topic: Geoengineering, iron fertilization of algae blooms
 Argument: Global warming kills algae, worsens warming; iron fertilization helps.
[A]: in favor


[Q]: Topic: Animal testing
 Argument: Animals endure tremendous stress from being locked up.
[A]:
against