2803
Previous studies demonstrated that both ketamine and morphine induced analgesia and catalepsy in the rat .
 Chemical: ketamine; Chemical: morphine; Disease: analgesia; Disease: catalepsy
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: ketamine; Chemical: morphine; Disease: analgesia; Disease: catalepsy