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 Q]: Topic: Wind energy
 Argument: Negative effects of wind energy on birds can be minimized.
[EX A]: in favor

[EX Q]: Topic: Banning cell phones in cars
 Argument: If you can't ban sleep-driving, why ban talking on phone in car.
[EX A]: against

[EX Q]: Topic: Libertarianism
 Argument: Libertarians would decriminalize many crimes, so reduce crime.
[EX A]:
in favor