58010
Our knowledge of galaxy types and their distribution suggests that life as we know it can only exist in about 10 % of all galaxies .
 astronomical object: galaxy
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: galaxy 
Answer:
 astronomical object: galaxy