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: Kosovo independence
 Argument: Kosovar Albanians have terrorized ethnic Serbs in Kosovo.
[EX A]: against

[EX Q]: Topic: Colonization of the Moon
 Argument: Moonbase advances knowledge of human viability on alien planets.
[EX A]: in favor

[EX Q]: Topic: 2009 US economic stimulus
 Argument: 2009 US stimulus accommodates Republican tax-cutting views.
[EX A]:
neutral