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: Random sobriety tests for drivers
 Argument: Random breath tests create slippery slope to expanding police powers.
against

Topic: Banning Muslim hijab
 Argument: Headscarves falsely presume that men can't contain sexual impulses.
in favor

Topic: Withdrawing from Iraq
 Argument: An early US exit might cause Iraqi troops to defect to the insurgency.

against