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: Single-payer universal health care
 Argument: Universal health care lowers long-term health costs.

Ex Output:
in favor


Ex Input:
Topic: Carbon capture and storage
 Argument: Carbon capture and storage is smoke-and-mirrors tactic for big coal.

Ex Output:
against


Ex Input:
Topic: Colonization of the Moon
 Argument: Territorial claims on the Moon will become a source of conflict.

Ex Output:

against