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: Merit pay for teachers
 Argument: Past examples of merit pay for teachers have failed.

Ex Output:
against


Ex Input:
Topic: Carbon capture and storage
 Argument: Algae CCS produces valuable bi-products.

Ex Output:
in favor


Ex Input:
Topic: Prostitution
 Argument: Prostitution is an inappropriate solution to poverty.

Ex Output:

against