80430
The term " aperture " is used for the main opening in gastropod shells , scaphopod shells , and also for " Nautilus " and ammonite shells .
 location: Nautilus
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Nautilus 
Answer:
 location: Nautilus