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

[EX Q]: Topic: Instant replay in baseball
 Argument: Instant replay should not exist for sake of personal achievements.
[EX A]: against

[EX Q]: Topic: Greece bailout
 Argument: Bailout addresses wrong problem: liquidity not solvency.
[EX A]:
against