instruction:
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".
question:
Topic: Hybrid vehicles
Argument: Hybrids increase efficiency by shutting engines down while idling.
answer:
in favor

question:
Topic: Legality of coca production and consumption
Argument: Tradition of coca consumption is a poor argument.
answer:
against

question:
Topic: Is Wikipedia valuable?
Argument: Wikipedia is losing good editors at an alarming rate.
answer:
neutral