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 Input:
Topic: Charter schools
Argument: Adaptive charter schools can make necessary changes.

Ex Output:
in favor

Ex Input:
Topic: European Union Expansion
Argument: EU enlargement will improve foreign direct investment into eastern Europe.

Ex Output:
in favor

Ex Input:
Topic: Solar energy
Argument: Clouds and smog undermine solar energy unlike other energy sources.

Ex Output:
against