7984
 I 'm a bit dumbfounded why the particles were not found anywhere , '' said Dr. Sanjiv H. Naidu , a surgeon and material science expert from the Pennsylvania State College of Medicine in Hershey , Pa. , who was one of the 10 panel members . 
 location contains: Pennsylvania, Hershey
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Pennsylvania, Hershey 
Answer:
 location contains: Pennsylvania, Hershey