4231
In electron micrographs both luminal and antiluminal sides of the BBB of the cerebellar cortex had similar lesions .
 Chemical: luminal
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: luminal 
Answer:
 Chemical: luminal