7334
None of the compounds showed androgenic or estrogenic activities , but clear antiandrogenic and antiestrogenic activities were observed for 2 - ITX , 4 - ITX , and 2 , 4 - diethyl - TX , whereas 2 - chloro - TX showed only antiandrogenic activity .
 Chemical: 2 - ITX; Chemical: 4 - ITX; Chemical: 2 , 4 - diethyl - TX; Chemical: 2 - chloro - TX
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: 2 - ITX, 4 - ITX, 2 , 4 - diethyl - TX, 2 - chloro - TX 
Answer:
 Chemical: 2 - ITX; Chemical: 4 - ITX; Chemical: 2 , 4 - diethyl - TX; Chemical: 2 - chloro - TX