19610
Normal saline solution was administered to the rats in the control group , while in the second group LPS ( 30mg / kg ) , in the third group propolis ( 250mg / kg ) , in the fourth group first propolis and then LPS ( 30mg / kg ) , and in the fifth group , first LPS ( 30mg / kg ) and then propolis were given .
 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