67046
In the 1970 s , Yellowstone National Park was the centre of a heated debate over different proposals to manage the park ’s problem grizzly bears ( " Ursus arctos " ) .
 location: Yellowstone National Park
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: Yellowstone National Park 
Answer:
 location: Yellowstone National Park