15391
METHODS : A double - blind study examined the effects of three successive lager drinks ( 330 ml each ) in the early afternoon on mood and psychomotor performance assessed at 30 - min intervals over a 2 - h period .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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