4577
In addition , a quantification - operation sulfur fumigation device ( QOSFD ) , which can maintain the quality of TCMs by controlling the SF processing parameters , has been designed and introduced .
 Chemical: sulfur
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: sulfur