3916
Angioedema following the intravenous administration of metoprolol .
 Disease: Angioedema; Chemical: metoprolol
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: Angioedema, metoprolol 
Answer:
 Disease: Angioedema; Chemical: metoprolol