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". 

Topic: US health care reform
 Argument: Government-approved insurers of US health care law limits competition.
against

Topic: Muhammad cartoons controversy
 Argument: Because the cartoons were legal, they did not require a government response.
in favor

Topic: Public health insurance option
 Argument: Public insurance will give doctors/hospitals millions of new patients.

in favor