6689
When the amount of sulphite increased over 0 . 1 M , the amount of 4 - MI reduced .
 Chemical: sulphite; Chemical: 4 - MI
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: sulphite, 4 - MI 
Answer:
 Chemical: sulphite; Chemical: 4 - MI