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". 

Q: Topic: Free trade
 Argument: Free trade improves the economic growth of developing nations.

A: in favor
****
Q: Topic: Banning cell phones in cars
 Argument: More difficult to enforce hands-free cell phone ban.

A: neutral
****
Q: Topic: Is Wikipedia valuable?
 Argument: Wikipedia is online and interactive, unlike other encyclopedias.

A:
in favor
****