25463
The behaviour of the xanthans was thought to be due to the differences in charge on the molecule ; however , the increase in the crystalline component observed with increased amounts of water was unexpected .
 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