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: Natural gas vehicles
 Argument: Natural gas is less flammable and explosive than other fuels.
Example Output: in favor

Example Input: Topic: Two-state solution to Israeli-Palestinian conflict
 Argument: A two-state solution will not assuage Iran.
Example Output: against

Example Input: Topic: Prostitution
 Argument: By worsening HIV/AIDS, prostitution will devastate societies.
Example Output:
against