2919
Monitoring consisted of airflow detection by a carbon dioxide analyser , chest wall movement detected by pneumatic capsules , and continuous electrocardiograph recorded with a Holter ambulatory monitor .
 Chemical: carbon dioxide
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: carbon dioxide 
Answer:
 Chemical: carbon dioxide