61380
These Cepheids are yellow bright giants and supergiants of spectral class F6 – K2 and their radii change by ( ~ 25 % for the longer-period I Carinae ) millions of kilometers during a pulsation cycle .
 astronomical object: I Carinae
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: I Carinae 
Answer:
 astronomical object: I Carinae