2589
In the mussel liquor , dimethyl sulphide was undetectable pre - storage , becoming detectable after 2 days , and a large increase was noted after 6 days .
 Chemical: dimethyl sulphide
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: dimethyl sulphide