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". 

Example Input: Topic: Constitutionality of US health insurance mandates
 Argument: Mandates create cartel of govt-supported insurance companies.
Example Output: against

Example Input: Topic: Libertarianism
 Argument: Libertarians would decriminalize many crimes, so reduce crime.
Example Output: in favor

Example Input: Topic: College football playoffs
 Argument: Football players miss fewest classes; playoffs OK.
Example Output:
in favor