281995
Planned maintenance has some advantages over Condition Based Maintenance such as : Disadvantages are : Parts that have scheduled maintenance at fixed intervals , usually due to wearout or a fixed shelf life , are sometimes known as time-change interval , or TCI items .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None