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: Gene patents
 Argument: Gene patents help drive major economic breakthroughs.
Example Output: in favor

Example Input: Topic: Filibuster
 Argument: Filibuster wrongly burdens majority party.
Example Output: against

Example Input: Topic: Manned mission to Mars
 Argument: We can commit to Mars mission before knowing how.
Example Output:
in favor