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". 

Topic: Vegetarianism
 Argument: Eating meat is bad for both animals and for humans; simple ethics.
in favor

Topic: Pornography
 Argument: Pornography lets women articulate femininity.
in favor

Topic: Corn ethanol
 Argument: Corn ethanol is less energy efficient than regular gasoline:.

against