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: Two-state solution to Israeli-Palestinian conflict
 Argument: A two-state solution makes Israel too narrow, vulnerable.
against

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

Topic: Turkey EU membership
 Argument: Turkish membership may cause a backlash among EU publics.

against