78072
Around the same time , the idea of mountains as islands of habitat took hold with scientists and has been used by such popular writers as David Quammen and John McPhee .
 person: David Quammen; person: John McPhee
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: David Quammen, John McPhee 
Answer:
 person: David Quammen; person: John McPhee