15337
They have limited space travel capacity , and citizens who go to work in space come back with rumors about beings called Immortals , who apparently live forever and can travel light years in days , and have some kind of shadowy influence on their planetary government .
 time: Immortals
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: Immortals 
Answer:
 time: Immortals