20073
Pathomorphological evaluation of the uteri and ovaries was conducted after staining with hematoxylin - eosin and immunohistochemistry .
 Chemical: hematoxylin; Chemical: eosin
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: hematoxylin, eosin 
Answer:
 Chemical: hematoxylin; Chemical: eosin