16538
Written by Bart Millard , the song is an expression of grief and longing that was written after the band experienced the deaths of nine people they were connected to in a short period of time .
 person: Bart Millard
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: Bart Millard 
Answer:
 person: Bart Millard