6941
William P otsic WP, Korman SB, Samadi DS, Wetmore RF. Congenital cholesteatoma: Twenty years experience at The Children is Hospital of Philadelphia . Otolaryngol Head Neck Surg 2002;126:409-414. Reprinted in Congenital and Pediatric Problems - Home Study Course, Section 1. October 2005:192-197.
 place of death: William P, Philadelphia
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
 Entity Pairs:  William P, Philadelphia 
Answer:
 place of death: William P, Philadelphia