16391
Group I : control ( vehicle treated ) and groups II and III were administered with BPA orally ( 20 and 200 mg / kg bw / day , respectively ) .
 Chemical: BPA
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: BPA