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: Geoengineering, iron fertilization of algae blooms
 Argument: Best practices in iron fertilization can ensure effectiveness.

A: in favor
****
Q: Topic: Cluster bomb ban
 Argument: Cluster bombs are usually used in uninhabited areas.

A: against
****
Q: Topic: Muhammad cartoons controversy
 Argument: Because the cartoons were legal, they did not require a government response.

A:
in favor
****