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: Vehicle fuel economy standards
 Argument: Fuel standards impair individuals needing high-powered trucks.

Ex Output:
against


Ex Input:
Topic: Natural gas vehicles
 Argument: Natural gas utilities have a long record of safety.

Ex Output:
in favor


Ex Input:
Topic: DREAM Act
 Argument: Young illegal immigrants are US asset needing development.

Ex Output:

in favor