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: Merit pay for teachers
 Argument: Merit pay punishes teachers assigned to bad students.
[EX A]: against

[EX Q]: Topic: Military recruiting in public schools
 Argument: Military recruiting in high schools is not essential.
[EX A]: against

[EX Q]: Topic: Gay marriage
 Argument: Marriage is about much more than kids; gays qualify.
[EX A]:
in favor