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: Colonization of the Moon
 Argument: Territorial claims on the Moon will become a source of conflict.
against

Topic: Pornography
 Argument: Porn improves self-control with distance from sex.
in favor

Topic: Employee Free Choice Act
 Argument: Employee Free Choice Act would not solve alleged employer abuses.

against