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Samuel Graham , who told his family earlier that he was nervous about starting at a new school because he feared teasing about his weight problem , had been due to spend his first day at Parkway Middle School Monday , police said .
 person: Samuel Graham; organization: Parkway Middle School
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities: Samuel Graham, Parkway Middle School 
Answer:
 person: Samuel Graham; organization: Parkway Middle School