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The densest and most spectacular reefs are found to the seaward of Key Largo ( in and beyond John Pennekamp Coral Reef State Park ) and Elliott Key where the two long keys help protect the reefs from the effects of water exchange with Florida Bay , Biscayne Bay , Card Sound and Barnes Sound .
 location: Key; location: Key
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: Key, Key 
Answer:
 location: Key; location: Key