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: Natural gas
 Argument: Natural gas will lower fossil fuel prices and increase consumption.
in favor

Topic: Charter schools
 Argument: Adaptive charter schools can make necessary changes.
in favor

Topic: Joint JD/MBA degree
 Argument: JD/MBA unlikely to get you higher salary than JD or MBA alone.

against