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: European Union Expansion
 Argument: EU member states suffer from socialist economic environment.

A: against
****
Q: Topic: Solar energy
 Argument: Producing solar cells need not use fossil fuel energy.

A: in favor
****
Q: Topic: Libertarianism
 Argument: People need government to prevent them from making mistakes.

A:
against
****