3988
Arsenic reduced the formation of lipid droplets and the expression of adipogenesis - related proteins , such as CCAAT enhancer binding protein - ( C / EBPs ) , peroxisome proliferator - activated receptor - gamma ( PPAR - gamma ) , and adipocyte fatty acid - binding protein aP2 ( aP2 ) .
 Chemical: Arsenic; Chemical: fatty acid
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: Arsenic; Chemical: fatty acid