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: Drivers licenses for Illegal immigrants in the US
 Argument: DMV employees would not need to become immigration experts to determine the illegality of an immigrant.
Example Output: in favor

Example Input: Topic: Cellulosic ethanol
 Argument: Cellulosic ethanol packs three-times the energy as corn ethanol.
Example Output: in favor

Example Input: Topic: Electric vehicles
 Argument: Electric car battery technology and costs are improving rapidly.
Example Output:
in favor