3210
Haemolytic - uraemic syndrome after treatment with metronidazole .
 Disease: Haemolytic - uraemic syndrome; Chemical: metronidazole
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: Haemolytic - uraemic syndrome, metronidazole 
Answer:
 Disease: Haemolytic - uraemic syndrome; Chemical: metronidazole