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: Mine Ban Treaty (Ottawa Treaty)
 Argument: Deploying smart mines encourages the use of all mines.

Ex Output:
in favor


Ex Input:
Topic: Lowering US drinking age from 21 to 18
 Argument: 21 drinking-age general lowers under-age drinking.

Ex Output:
against


Ex Input:
Topic: European Union Expansion
 Argument: European Union should include all of Europe; it's in their name.

Ex Output:

in favor