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: Moon's gravity is too low for human health.
against

Topic: Abortion
 Argument: The right to choice/privacy (abortion) does not override the right to life.
against

Topic: Single-payer universal health care
 Argument: Universal health care decreases the likelihood of health related problems.

in favor