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: Hydrogen vehicles
 Argument: It's OK to use more energy to make hydrogen than is obtained out.
answer:
in favor


question:
Topic: Legality of coca production and consumption
 Argument: Coca can be used as a local anesthetic.
answer:
in favor


question:
Topic: EU constitution reform treaty (Lisbon Treaty)
 Argument: Lisbon creates co-decision-making in European Parliament and Council.
answer:

neutral