29822
The observed phenotypic responses to TCPP and TDCPP exposure may be associated with disruption of the TH - axis , which is critical for normal growth and development in birds .
 Chemical: TCPP; Chemical: TDCPP
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: TCPP, TDCPP 
Answer:
 Chemical: TCPP; Chemical: TDCPP