77000
" Leading lights " ( also known as " range lights " in the United States ) are a pair of light beacons , used in navigation to indicate a safe passage for vessels entering a shallow or dangerous channel ; and may also be used for position fixing .
 location: United States
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: United States 
Answer:
 location: United States