182009
The disturbance gradually intensified throughout much of its early formative stages , attaining tropical storm strength on September 10 ; further strengthening into a hurricane north of Puerto Rico occurred two days later .
 location: Puerto Rico
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: Puerto Rico 
Answer:
 location: Puerto Rico