14781
Biota - soil accumulation factors were > 1 for total F2 aliphatics and aromatics and F3a aromatics as well as for several individual polyaromatic hydrocarbons for each distillate .
 Chemical: polyaromatic hydrocarbons
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: polyaromatic hydrocarbons