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 Input:
Topic: Pornography
Argument: Pornography is an expression falling under freedom of speech.

Ex Output:
in favor

Ex Input:
Topic: Abortion
Argument: The fetus causes physical pain; the woman has a right to self-defense.

Ex Output:
in favor

Ex Input:
Topic: Legality of coca production and consumption
Argument: All South American states support indigenous right to coca.

Ex Output:
in favor