57258
Chi Cygni is a red giant and the second-brightest Mira variable star at its maximum .
 astronomical object: Chi Cygni; astronomical object: red giant; astronomical object: Mira variable
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: Chi Cygni, red giant, Mira variable 
Answer:
 astronomical object: Chi Cygni; astronomical object: red giant; astronomical object: Mira variable