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: Abolition of nuclear weapons
Argument: It's not possible to abolish nuclear weapons now that the are at large.
[EX A]: against

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

[EX Q]: Topic: Geoengineering, iron fertilization of algae blooms
Argument: Global warming kills algae, worsens warming; iron fertilization helps.
[EX A]:
in favor