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In the ultramarathon runner the testosterone levels sharply rose at the beginning of the training session ( from the 7 , 20 ng / ml to 11 , 50 ng / ml after 20 ' training ) , and subsequently decrease after 3 hours ( 9 , 20 ng / ml ) and at the end of the 6 hours training ( 4 , 60 ng / ml ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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