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Intraperitoneal administration of atropine , naloxone , mecamylamine , and hexamethonium to mice reduced catalepsy induced by a combination of morphine with nicotine .
 Chemical: atropine; Chemical: naloxone; Chemical: mecamylamine; Chemical: hexamethonium; Disease: catalepsy; Chemical: morphine; Chemical: nicotine
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: atropine; Chemical: naloxone; Chemical: mecamylamine; Chemical: hexamethonium; Disease: catalepsy; Chemical: morphine; Chemical: nicotine