5975
The shells of large marine gastropod s are prepared by cutting a hole in the spire of the shell near the apex , and then blowing into the shell as if it were a trumpet , as in blowing horn .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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