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: Underground nuclear waste storage
 Argument: Scientific consensus supports nuclear waste underground storage.
answer:
in favor


question:
Topic: Guantanamo Bay detention center
 Argument: Conditions at Guantanamo Bay are harmful to detainee mental health.
answer:
against


question:
Topic: Natural gas
 Argument: NGV's may reduce emissions, but still contribute to global warming.
answer:

against