51974
When interrogated , the meters deliver the data they have collected to a common master , such as a hand-held computer , connected at periodic intervals to read all utility meters of a building .
 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