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". 
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Question: Topic: Mandatory labeling of genetically modified foods
 Argument: Insects are likely to become resistant to GM crops.

Answer: against


Question: Topic: Ecotourism
 Argument: Ecotourism generates funds for conservation.

Answer: in favor


Question: Topic: Prostitution
 Argument: Question of choice, in prostitution, is different for each person.

Answer:
neutral