47759
However , it did not come into general use until Joseph Greenberg ( 1950 ) formally proposed its adoption .
 person: Joseph Greenberg
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: Joseph Greenberg 
Answer:
 person: Joseph Greenberg