523
Delayed recognition and treatment of heparin - induced thrombocytopenia contribute to poor patient outcomes .
 Chemical: heparin; Disease: thrombocytopenia
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: heparin, thrombocytopenia 
Answer:
 Chemical: heparin; Disease: thrombocytopenia