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: Pornography
 Argument: Pornography is an expression falling under freedom of speech.
Example Output: in favor

Example Input: Topic: Public health insurance option
 Argument: Insurers should not be trusted with sole control of health insurance.
Example Output: in favor

Example Input: Topic: Bush economic stimulus plan
 Argument: Tax rebates encourage irresponsible consumer spending habits.
Example Output:
against