22680
Total volume of uterus was significantly raised by E2 , Aroclor 1221 and endosulfan compared with that of the control group ( p < 0 . 01 ) .
 Chemical: Aroclor 1221; Chemical: endosulfan
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: Aroclor 1221, endosulfan 
Answer:
 Chemical: Aroclor 1221; Chemical: endosulfan