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: Geoengineering
Argument: Many geoengineering solutions cut atmospheric greenhouse gases.

Ex Output:
in favor

Ex Input:
Topic: Gay adoption
Argument: Children do better with mother and father role models.

Ex Output:
against

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

Ex Output:
in favor