2641
The results of these experiments indicated that charcoal , imbiber beads , and the anion exchanges resins , Dowex XFS - 4022 and Dowex SBR - C1 , would not be useful agents for increasing the amount of dieldrin eliminated via feces ( droppings ) of chickens .
 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