2871
The first patient died without a diagnosis ; the second patient had a dramatic recovery following the administration of vitamin B6 .
 Chemical: vitamin B6
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: vitamin B6 
Answer:
 Chemical: vitamin B6