4216
Morphological features of encephalopathy after chronic administration of the antiepileptic drug valproate to rats .
 Disease: encephalopathy; Chemical: valproate
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: encephalopathy, valproate 
Answer:
 Disease: encephalopathy; Chemical: valproate