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: Vehicle fuel economy standards
 Argument: CAFE standards have strong history of reducing US emissions.
[A]: in favor


[Q]: Topic: Electric vehicles
 Argument: It takes too long to recharge electric vehicles.
[A]: against


[Q]: Topic: Nuclear energy
 Argument: Nuclear waste radiation no worse than natural radiation.
[A]:
in favor