3561
Control experiments indicated that neither an increase in pain sensitivity ( pre - training naloxone ) nor an induced aversive state ( post - training naloxone ) appear to be responsible for the influence of naloxone on the scopolamine - induced retention deficit .
 Disease: pain; Chemical: naloxone; Chemical: naloxone; Chemical: naloxone; Chemical: scopolamine; Disease: retention deficit
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:
 Disease: pain; Chemical: naloxone; Chemical: naloxone; Chemical: naloxone; Chemical: scopolamine; Disease: retention deficit