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". 

[Q]: Topic: Constitutionality of US health insurance mandates
 Argument: Congress can't regulate behavior indirectly impacting commerce.
[A]: against


[Q]: Topic: Hydroelectric dams
 Argument: There are better ways to store water than dams.
[A]: against


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