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: Obama, meeting with hostile foreign leaders without preconditions
 Argument: Talking to your enemies is not a concession.

Ex Output:
in favor


Ex Input:
Topic: Breastfeeding in public
 Argument: Breastfeeding can help new mothers lose weight.

Ex Output:
in favor


Ex Input:
Topic: Full-body scanners at airports
 Argument: Full-body scans more effectively reveal concealed weapons.

Ex Output:

in favor