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: Medical marijuana dispensaries
 Argument: Marijuana is a safer alternative to many medications.
in favor

Topic: Electric vehicles
 Argument: Electric car power and speed can be precisely controlled.
in favor

Topic: Israeli military assault in Gaza
 Argument: Defeating Hamas is key to long-term Israeli/Palestinian solution.

in favor