58119
" Apparent retrograde motion " is the apparent motion of a planet in a direction opposite to that of other bodies within its system , as observed from a particular vantage point .
 astronomical object: planet
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: planet 
Answer:
 astronomical object: planet