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: Guantanamo Bay detention center
 Argument: Closing Guantanamo and opening a new one elsewhere is a PR stunt.
against

Topic: Year-round school
 Argument: Not-using schools in the summer is generally inefficient.

in favor