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Several variables were investigated : gonado - somatic index ( GSI ) , liver - somatic index ( LSI ) ; 7 - ethoxyresorufin - O - deethylase ( EROD ) , benzo ( a ) pyrene monooxygenase and acetylcholinesterase activities ; glutathione ( GSH ) , testosterone , 17 beta - estradiol , total lipid , phospholipid ( PL ) and triglyceride contents .
 Chemical: 7 - ethoxyresorufin; Chemical: O; Chemical: benzo ( a ) pyrene; Chemical: glutathione; Chemical: GSH; Chemical: testosterone; Chemical: 17 beta - estradiol; Chemical: triglyceride
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: 7 - ethoxyresorufin, O, benzo ( a ) pyrene, glutathione, GSH, testosterone, 17 beta - estradiol, triglyceride 
Answer:
 Chemical: 7 - ethoxyresorufin; Chemical: O; Chemical: benzo ( a ) pyrene; Chemical: glutathione; Chemical: GSH; Chemical: testosterone; Chemical: 17 beta - estradiol; Chemical: triglyceride