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: Constitutionality of US health insurance mandates
 Argument: Mandates create cartel of govt-supported insurance companies.
[EX A]: against

[EX Q]: Topic: No-fly zone over Libya
 Argument: No fly zone in Libya prevents a massacre.
[EX A]: in favor

[EX Q]: Topic: Network neutrality
 Argument: W/o Net Neutrality, price discrimination risks stifling start-ups.
[EX A]:
in favor