58003
They have been proposed to form a separate class , caused by the collapse of a blue supergiant star , a tidal disruption event or a new-born magnetar .
 astronomical object: blue supergiant star; astronomical object: magnetar
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: blue supergiant star, magnetar 
Answer:
 astronomical object: blue supergiant star; astronomical object: magnetar