27468
Incoming ships were quarantined in Boston Harbor , and any smallpox patients in town were held under guard or in a " pesthouse " .
 location: Boston Harbor
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: Boston Harbor 
Answer:
 location: Boston Harbor