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: Return of Israel to pre-1967 borders
 Argument: Pre-1967 borders would be too insecure and dangerous.

Answer: against


Question: Topic: Network neutrality
 Argument: Existing laws check unfair practices by broadband owners.

Answer: against


Question: Topic: Natural gas
 Argument: Natural gas vehicle fuel tanks are very strong and safe.

Answer:
in favor