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: Legalization of Marijuana
 Argument: Legalization of marijuana will make it more affordable.
Example Output: in favor

Example Input: Topic: Is Wikipedia valuable?
 Argument: Wikipedia is losing good editors at an alarming rate.
Example Output: neutral

Example Input: Topic: Gay marriage
 Argument: Benefits for gays are much better when in marriage.
Example Output:
in favor