32319
A heavily indented coastline at the Gulf of Thailand of length and 60 offshore islands , that dot the territorial waters and locally merge with tidal mangrove marshes - the environmental basis for a remarkable range of marine and coastal eco-regions .
 location: Gulf of Thailand
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: Gulf of Thailand 
Answer:
 location: Gulf of Thailand