2069
The results indicate that acute nicotine injection induces a pronounced hyperactivity in rats habituated to the test environment .
 Chemical: nicotine; Disease: hyperactivity
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: nicotine, hyperactivity 
Answer:
 Chemical: nicotine; Disease: hyperactivity