1059
CONCLUSIONS : Our results suggest that the antagonistic effect of nicotine on caffeine - induced anxiety is specific to caffeine , instead of a non - specific anxiolytic effect .
 Chemical: nicotine; Chemical: caffeine; Disease: anxiety; Chemical: caffeine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: nicotine; Chemical: caffeine; Disease: anxiety; Chemical: caffeine