9840
The O-157 colon bacillus has been found responsible for a widespread food poisoning epidemic that has killed 11 people and made over 9,500 ill this year .
 else: O-157
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: O-157 
Answer:
 else: O-157