20022
Although bupropion and naltrexone ( alone and in combination ) reduce food consumption in rodents and humans , their effects on behaviour during feeding tests have not been thoroughly investigated .
 Chemical: bupropion; Chemical: naltrexone
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: bupropion; Chemical: naltrexone