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But the oyster industry is again under threat , because the reproductive rate of the oysters has plunged , as they now contain microscopic glass spicules that are shed into the water from the hulls of the numerous plastic fibreglass boats in Chichester Harbour .
 location: Chichester Harbour
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: Chichester Harbour 
Answer:
 location: Chichester Harbour