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In this study , temperature and the presence of CO2 increased the release of formaldehyde , acetaldehyde and antimony ( Sb ) .
 Chemical: CO2; Chemical: formaldehyde; Chemical: acetaldehyde; Chemical: antimony; Chemical: Sb
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: CO2; Chemical: formaldehyde; Chemical: acetaldehyde; Chemical: antimony; Chemical: Sb