2824
Butyrylcholinesterase gene mutations in patients with prolonged apnea after succinylcholine for electroconvulsive therapy .
 Disease: apnea; Chemical: succinylcholine
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: apnea, succinylcholine 
Answer:
 Disease: apnea; Chemical: succinylcholine