2403
AChE activity was significantly decreased in the hippocampus of mice with BPA compared to control mice , whereas no difference was found in the prefrontal cortex , hypothalamus and cerebellum .
 Chemical: BPA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: BPA