3684
Pituitary tumors were induced in F344 female rats by chronic treatment with diethylstilbestrol ( DES , 8 - 10 mg ) implanted subcutaneously in silastic capsules .
 Disease: Pituitary tumors; Chemical: diethylstilbestrol; Chemical: DES
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: Pituitary tumors, diethylstilbestrol, DES 
Answer:
 Disease: Pituitary tumors; Chemical: diethylstilbestrol; Chemical: DES