53749
Derrida was diagnosed with pancreatic cancer in 2003 , which reduced his speaking and travelling engagements .
 person: Derrida
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: Derrida 
Answer:
 person: Derrida