8937
 Because of a quirk in an agreement between William Penn and the duke of York more than three centuries ago , some stretches of the Delaware River between Delaware and New Jersey belong almost entirely to Delaware . 
 location contains: New Jersey, Delaware River
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:  New Jersey, Delaware River 
Answer:
 location contains: New Jersey, Delaware River