73813
The company was listed on the Oslo Stock Exchange and had ownership positions in numerous companies primarily within the energy and shipping sectors , but also other areas such as real estate and mass media .
 organization: Oslo Stock Exchange
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: Oslo Stock Exchange 
Answer:
 organization: Oslo Stock Exchange