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: Medical marijuana dispensaries
 Argument: That marijuana is herbal does not mean it is safe.
answer:
against


question:
Topic: Ecotourism
 Argument: Ecotourism is good for the human soul and social health.
answer:
in favor


question:
Topic: Underground nuclear waste storage
 Argument: Underground nuclear waste storage is safest option.
answer:

in favor