2971
These data suggest that ( 1 ) there are sexually dimorphic responses in the teleost hypothalamus ; ( 2 ) neurotransmitter systems are a target of dieldrin at the transcriptomics level ; and ( 3 ) males co - fed dieldrin and E ( 2 ) had the fewest numbers of genes and cell pathways altered in the hypothalamus , suggesting that E ( 2 ) may mitigate the effects of dieldrin in the central nervous system .
 Chemical: dieldrin; Chemical: dieldrin; Chemical: dieldrin
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: dieldrin, dieldrin, dieldrin 
Answer:
 Chemical: dieldrin; Chemical: dieldrin; Chemical: dieldrin