12766
Taken together , these results suggest that BP - 1 is an endocrine disrupting chemical ( EDC ) that exerts xenoestrogenic effects by stimulating the proliferation of BG - 1 ovarian cancer via ER signaling pathway associated with cell cycle as did E2 .
 Chemical: BP - 1
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: BP - 1 
Answer:
 Chemical: BP - 1