7473
Fifteen people were injured when a suburban passenger train and a truck collided at a street-level rail crossing in the Australian city of Melbourne on Monday , said rail and ambulance officials .
 location: Melbourne; else: Australian
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities: Melbourne, Australian 
Answer:
 location: Melbourne; else: Australian