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 Q]: Topic: Breastfeeding in public
 Argument: That breastfeeding is natural does not make it decent in public.
[EX A]: against

[EX Q]: Topic: Merit pay for teachers
 Argument: Past examples of merit pay for teachers have failed.
[EX A]: against

[EX Q]: Topic: Filibuster
 Argument: The filibuster helps protect the will of the minority.
[EX A]:
in favor