872
In contrast , polypropylene glycol , PG - C , and corn oil all removed 68 - 86 % of the MDI in the first h , 74 - 79 % at 4 h , and 72 - 86 % at 8 h .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None