5010
These results show that the robust effects of TCDD on the mRNA expression of Snrpn , Peg3 and Igf2r genes in the sperm and of Igf2r in the muscle and liver are unrelated to changes in methylation in their respective genes .
 Chemical: TCDD
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: TCDD 
Answer:
 Chemical: TCDD