9470
We have synthesized linear ABC triblock terpolymers containing poly ( 1 , 3 - cyclohexadiene ) , PCHD , as an end block and characterized their morphologies in the melt .
 Chemical: poly ( 1 , 3 - cyclohexadiene ); Chemical: PCHD
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: poly ( 1 , 3 - cyclohexadiene ), PCHD 
Answer:
 Chemical: poly ( 1 , 3 - cyclohexadiene ); Chemical: PCHD