15392
Participants carried out a baseline session and were then randomly assigned to one of six conditions formed by combining three different doses of caffeine ( 0 , 62 . 5 and 125 mg per drink ) with either no alcohol or 4 . 3 % alcohol .
 Chemical: caffeine; Chemical: alcohol; Chemical: alcohol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: caffeine; Chemical: alcohol; Chemical: alcohol