73140
Shallow areas in otherwise open water can experience rotary tidal currents , flowing in directions that continually change and thus the flow direction ( not the flow ) completes a full rotation in hours ( for example , the Nantucket Shoals ) .
 location: Nantucket Shoals
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Nantucket Shoals 
Answer:
 location: Nantucket Shoals