4064
The RNA Integrity Number ( RIN ) values distribution was , on the other hand , much wider than the optimal expected value , which led to an " in control " classification , even for partly degraded RNA samples .
 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