4087
Assessing their overall satisfaction , 89 . 7 % would choose propofol anaesthesia again .
 Chemical: propofol
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: propofol 
Answer:
 Chemical: propofol