26462
The line was once owned by the Missouri Central Railroad , but now is owned by the by utility giant Ameren .
 location: Missouri; organization: Ameren
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: Missouri, Ameren 
Answer:
 location: Missouri; organization: Ameren