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: Banning cell phones in cars
 Argument: If you can't ban sleep-driving, why ban talking on phone in car.
Example Output: against

Example Input: Topic: Banning cell phones in cars
 Argument: Cell phone ban in cars would simply be ignored.
Example Output: against

Example Input: Topic: Needle exchanges
 Argument: Needle exchanges help protect families of drug-abusers.
Example Output:
in favor