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: Gene patents
 Argument: Gene patents and bio-engineering may harm environment/society.
[EX A]: against

[EX Q]: Topic: Hunting for sport
 Argument: Human life is of greater intrinsic value than animal life.
[EX A]: in favor

[EX Q]: Topic: Polygamy
 Argument: Polygamous women can choose the right husband, even if he is married.
[EX A]:
in favor