6963
They further show that simple molecular observations on patterns , multiplicities and occurrence give much information , suggesting common divergence rules not much disturbed by horizontal gene transfers after the initial origins .
 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