1733
There are no previous reports of clonidine - associated cardiac arrest in a child undergoing induction of anesthesia .
 Chemical: clonidine; Disease: cardiac arrest
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: clonidine; Disease: cardiac arrest