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He broke into the nascent field of comic books as a teenager in 1936 , at Manhattan 's Harry " A " Chesler studio , often credited as the first of the comic book " packagers " that supplied complete comics to publishers testing the waters of the emerging medium .
 location: Manhattan; person: Harry " A " Chesler
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Manhattan, Harry " A " Chesler 
Answer:
 location: Manhattan; person: Harry " A " Chesler