843
It has been estimated by E. O. Wilson that the total number of individual ants alive in the world at any one time is between one and ten quadrillion ( short scale ) ( i.e. , between 10 and 10 ) .
 person: E. O. Wilson
Please list all entity words in the text that fit the category.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} 
Answer:
 person: E. O. Wilson