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Because caffeine is an adenosine receptor antagonist , these results suggest that some panic disorder patients may have abnormalities in neuronal systems involving adenosine .
 Chemical: caffeine; Chemical: adenosine; Disease: panic disorder; Disease: abnormalities in neuronal systems; Chemical: adenosine
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: caffeine; Chemical: adenosine; Disease: panic disorder; Disease: abnormalities in neuronal systems; Chemical: adenosine