15886
The direct evidence for the involvement of CYP1A1 in the induction of cardiotoxicity by Pb ( 2 + ) was evidenced by the ability of AhR antagonist , resveratrol , to significantly inhibit the Pb ( 2 + ) - modulated effect on beta - MHC and alpha - MHC mRNAs .
 Chemical: Pb ( 2 + ); Chemical: resveratrol; Chemical: Pb ( 2 + )
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: Pb ( 2 + ), resveratrol, Pb ( 2 + ) 
Answer:
 Chemical: Pb ( 2 + ); Chemical: resveratrol; Chemical: Pb ( 2 + )