8535
After recovering from a severe illness , Caligula descends into madness , his behavior becoming ever more egomaniacal and irrational .
 person: Caligula
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Caligula