15890
90 - day - old Long - Evans rats were randomly divided into 3 groups , and were gavaged with the corn oil ( control ) or 10 or 750mg / kg DEHP daily for 7 days , and then received an intraperitoneal injection of 75mg / kg ethane dimethanesulfonate ( EDS ) to eliminate Leydig cells .
 Chemical: DEHP; Chemical: ethane dimethanesulfonate; Chemical: EDS
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: DEHP, ethane dimethanesulfonate, EDS 
Answer:
 Chemical: DEHP; Chemical: ethane dimethanesulfonate; Chemical: EDS