5095
 Vertical-lift bridges are common throughout the United States and have been around for more than a century , said Henry Petroski , a professor of civil engineering at Duke University . 
 company: Henry Petroski, Duke University
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:  Henry Petroski, Duke University 
Answer:
 company: Henry Petroski, Duke University