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The variation of sling swimsuits that has the straps simply encircle the neck and another set of straps pass around the midriff , instead of the straps passing over the neck and down the back , is called a pretzel swimsuit .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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