17343
Colour modulations were measured on day 0 and for the samples held in cold storage for 2 , 4 , 7 , 9 and 11 days .
 None
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:  
Answer:
 None