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". 

Ex Input:
Topic: Reforestation as a solution to global warming
 Argument: Reforestation, while not a silver bullet, can help solve global warming.

Ex Output:
in favor


Ex Input:
Topic: Education vouchers
 Argument: Profit motive of private schools is costly, undermining vouchers.

Ex Output:
against


Ex Input:
Topic: Gene patents
 Argument: Gene patents help drive major economic breakthroughs.

Ex Output:

in favor