3529
This was the second report of fatal aplastic anemia after topical treatment with chloramphenicol for ocular conditions , although two cases of reversible bone marrow hypoplasia have also been reported .
 Disease: aplastic anemia; Chemical: chloramphenicol; Disease: bone marrow hypoplasia
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: aplastic anemia, chloramphenicol, bone marrow hypoplasia 
Answer:
 Disease: aplastic anemia; Chemical: chloramphenicol; Disease: bone marrow hypoplasia